28156932856

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{16103}}^1$

素因数の和:16205

約数の個数: 128

約数和(自身を含む): 64282014720

約数和(自身を除く): 36125081864

約数列:

[1, 2, 4, 8, 13, 17, 23, 26, 34, 43, 46, 52, 68, 86, 92, 104, 136, 172, 184, 221, 299, 344, 391, 442, 559, 598, 731, 782, 884, 989, 1118, 1196, 1462, 1564, 1768, 1978, 2236, 2392, 2924, 3128, 3956, 4472, 5083, 5848, 7912, 9503, 10166, 12857, 16103, 16813, 19006, 20332, 25714, 32206, 33626, 38012, 40664, 51428, 64412, 67252, 76024, 102856, 128824, 134504, 209339, 218569, 273751, 370369, 418678, 437138, 547502, 692429, 740738, 837356, 874276, 1095004, 1384858, 1481476, 1674712, 1748552, 2190008, 2769716, 2962952, 3558763, 4814797, 5539432, 6296273, 7117526, 9001577, 9629594, 11771293, 12592546, 14235052, 15925867, 18003154, 19259188, 23542586, 25185092, 28470104, 31851734, 36006308, 38518376, 47085172, 50370184, 63703468, 72012616, 81851549, 94170344, 127406936, 153026809, 163703098, 207036271, 270739739, 306053618, 327406196, 414072542, 541479478, 612107236, 654812392, 828145084, 1082958956, 1224214472, 1656290168, 2165917912, 3519616607, 7039233214, 14078466428, 28156932856]

約数ペア:

[(1, 28156932856), (2, 14078466428), (4, 7039233214), (8, 3519616607), (13, 2165917912), (17, 1656290168), (23, 1224214472), (26, 1082958956), (34, 828145084), (43, 654812392), (46, 612107236), (52, 541479478), (68, 414072542), (86, 327406196), (92, 306053618), (104, 270739739), (136, 207036271), (172, 163703098), (184, 153026809), (221, 127406936), (299, 94170344), (344, 81851549), (391, 72012616), (442, 63703468), (559, 50370184), (598, 47085172), (731, 38518376), (782, 36006308), (884, 31851734), (989, 28470104), (1118, 25185092), (1196, 23542586), (1462, 19259188), (1564, 18003154), (1768, 15925867), (1978, 14235052), (2236, 12592546), (2392, 11771293), (2924, 9629594), (3128, 9001577), (3956, 7117526), (4472, 6296273), (5083, 5539432), (5848, 4814797), (7912, 3558763), (9503, 2962952), (10166, 2769716), (12857, 2190008), (16103, 1748552), (16813, 1674712), (19006, 1481476), (20332, 1384858), (25714, 1095004), (32206, 874276), (33626, 837356), (38012, 740738), (40664, 692429), (51428, 547502), (64412, 437138), (67252, 418678), (76024, 370369), (102856, 273751), (128824, 218569), (134504, 209339)]