1221255152

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{1783}}^1$

素因数の和:1930

約数の個数: 80

約数和(自身を含む): 2647955520

約数和(自身を除く): 1426700368

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 89, 104, 148, 178, 208, 296, 356, 481, 592, 712, 962, 1157, 1424, 1783, 1924, 2314, 3293, 3566, 3848, 4628, 6586, 7132, 7696, 9256, 13172, 14264, 18512, 23179, 26344, 28528, 42809, 46358, 52688, 65971, 85618, 92716, 131942, 158687, 171236, 185432, 263884, 317374, 342472, 370864, 527768, 634748, 684944, 857623, 1055536, 1269496, 1715246, 2062931, 2538992, 3430492, 4125862, 5871419, 6860984, 8251724, 11742838, 13721968, 16503448, 23485676, 33006896, 46971352, 76328447, 93942704, 152656894, 305313788, 610627576, 1221255152]

約数ペア:

[(1, 1221255152), (2, 610627576), (4, 305313788), (8, 152656894), (13, 93942704), (16, 76328447), (26, 46971352), (37, 33006896), (52, 23485676), (74, 16503448), (89, 13721968), (104, 11742838), (148, 8251724), (178, 6860984), (208, 5871419), (296, 4125862), (356, 3430492), (481, 2538992), (592, 2062931), (712, 1715246), (962, 1269496), (1157, 1055536), (1424, 857623), (1783, 684944), (1924, 634748), (2314, 527768), (3293, 370864), (3566, 342472), (3848, 317374), (4628, 263884), (6586, 185432), (7132, 171236), (7696, 158687), (9256, 131942), (13172, 92716), (14264, 85618), (18512, 65971), (23179, 52688), (26344, 46358), (28528, 42809)]