2221128

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1$

素因数の和:148

約数の個数: 128

約数和(自身を含む): 7660800

約数和(自身を除く): 5439672

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 27, 28, 36, 39, 42, 52, 54, 56, 63, 72, 78, 84, 91, 104, 108, 113, 117, 126, 156, 168, 182, 189, 216, 226, 234, 252, 273, 312, 339, 351, 364, 378, 452, 468, 504, 546, 678, 702, 728, 756, 791, 819, 904, 936, 1017, 1092, 1356, 1404, 1469, 1512, 1582, 1638, 2034, 2184, 2373, 2457, 2712, 2808, 2938, 3051, 3164, 3276, 4068, 4407, 4746, 4914, 5876, 6102, 6328, 6552, 7119, 8136, 8814, 9492, 9828, 10283, 11752, 12204, 13221, 14238, 17628, 18984, 19656, 20566, 21357, 24408, 26442, 28476, 30849, 35256, 39663, 41132, 42714, 52884, 56952, 61698, 79326, 82264, 85428, 92547, 105768, 123396, 158652, 170856, 185094, 246792, 277641, 317304, 370188, 555282, 740376, 1110564, 2221128]

約数ペア:

[(1, 2221128), (2, 1110564), (3, 740376), (4, 555282), (6, 370188), (7, 317304), (8, 277641), (9, 246792), (12, 185094), (13, 170856), (14, 158652), (18, 123396), (21, 105768), (24, 92547), (26, 85428), (27, 82264), (28, 79326), (36, 61698), (39, 56952), (42, 52884), (52, 42714), (54, 41132), (56, 39663), (63, 35256), (72, 30849), (78, 28476), (84, 26442), (91, 24408), (104, 21357), (108, 20566), (113, 19656), (117, 18984), (126, 17628), (156, 14238), (168, 13221), (182, 12204), (189, 11752), (216, 10283), (226, 9828), (234, 9492), (252, 8814), (273, 8136), (312, 7119), (339, 6552), (351, 6328), (364, 6102), (378, 5876), (452, 4914), (468, 4746), (504, 4407), (546, 4068), (678, 3276), (702, 3164), (728, 3051), (756, 2938), (791, 2808), (819, 2712), (904, 2457), (936, 2373), (1017, 2184), (1092, 2034), (1356, 1638), (1404, 1582), (1469, 1512)]