28681224

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:231

約数の個数: 128

約数和(自身を含む): 86244480

約数和(自身を除く): 57563256

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 44, 52, 61, 66, 78, 88, 104, 122, 132, 137, 143, 156, 183, 244, 264, 274, 286, 312, 366, 411, 429, 488, 548, 572, 671, 732, 793, 822, 858, 1096, 1144, 1342, 1464, 1507, 1586, 1644, 1716, 1781, 2013, 2379, 2684, 3014, 3172, 3288, 3432, 3562, 4026, 4521, 4758, 5343, 5368, 6028, 6344, 7124, 8052, 8357, 8723, 9042, 9516, 10686, 12056, 14248, 16104, 16714, 17446, 18084, 19032, 19591, 21372, 25071, 26169, 33428, 34892, 36168, 39182, 42744, 50142, 52338, 58773, 66856, 69784, 78364, 91927, 100284, 104676, 108641, 117546, 156728, 183854, 200568, 209352, 217282, 235092, 275781, 325923, 367708, 434564, 470184, 551562, 651846, 735416, 869128, 1103124, 1195051, 1303692, 2206248, 2390102, 2607384, 3585153, 4780204, 7170306, 9560408, 14340612, 28681224]

約数ペア:

[(1, 28681224), (2, 14340612), (3, 9560408), (4, 7170306), (6, 4780204), (8, 3585153), (11, 2607384), (12, 2390102), (13, 2206248), (22, 1303692), (24, 1195051), (26, 1103124), (33, 869128), (39, 735416), (44, 651846), (52, 551562), (61, 470184), (66, 434564), (78, 367708), (88, 325923), (104, 275781), (122, 235092), (132, 217282), (137, 209352), (143, 200568), (156, 183854), (183, 156728), (244, 117546), (264, 108641), (274, 104676), (286, 100284), (312, 91927), (366, 78364), (411, 69784), (429, 66856), (488, 58773), (548, 52338), (572, 50142), (671, 42744), (732, 39182), (793, 36168), (822, 34892), (858, 33428), (1096, 26169), (1144, 25071), (1342, 21372), (1464, 19591), (1507, 19032), (1586, 18084), (1644, 17446), (1716, 16714), (1781, 16104), (2013, 14248), (2379, 12056), (2684, 10686), (3014, 9516), (3172, 9042), (3288, 8723), (3432, 8357), (3562, 8052), (4026, 7124), (4521, 6344), (4758, 6028), (5343, 5368)]