71190416

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:448

約数の個数: 80

約数和(自身を含む): 161448000

約数和(自身を除く): 90257584

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 61, 76, 88, 122, 152, 176, 209, 244, 304, 349, 418, 488, 671, 698, 836, 976, 1159, 1342, 1396, 1672, 2318, 2684, 2792, 3344, 3839, 4636, 5368, 5584, 6631, 7678, 9272, 10736, 12749, 13262, 15356, 18544, 21289, 25498, 26524, 30712, 42578, 50996, 53048, 61424, 72941, 85156, 101992, 106096, 145882, 170312, 203984, 234179, 291764, 340624, 404491, 468358, 583528, 808982, 936716, 1167056, 1617964, 1873432, 3235928, 3746864, 4449401, 6471856, 8898802, 17797604, 35595208, 71190416]

約数ペア:

[(1, 71190416), (2, 35595208), (4, 17797604), (8, 8898802), (11, 6471856), (16, 4449401), (19, 3746864), (22, 3235928), (38, 1873432), (44, 1617964), (61, 1167056), (76, 936716), (88, 808982), (122, 583528), (152, 468358), (176, 404491), (209, 340624), (244, 291764), (304, 234179), (349, 203984), (418, 170312), (488, 145882), (671, 106096), (698, 101992), (836, 85156), (976, 72941), (1159, 61424), (1342, 53048), (1396, 50996), (1672, 42578), (2318, 30712), (2684, 26524), (2792, 25498), (3344, 21289), (3839, 18544), (4636, 15356), (5368, 13262), (5584, 12749), (6631, 10736), (7678, 9272)]