71297830

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:301

約数の個数: 64

約数和(自身を含む): 142829568

約数和(自身を除く): 71531738

約数列:

[1, 2, 5, 10, 17, 31, 34, 62, 83, 85, 155, 163, 166, 170, 310, 326, 415, 527, 815, 830, 1054, 1411, 1630, 2573, 2635, 2771, 2822, 5053, 5146, 5270, 5542, 7055, 10106, 12865, 13529, 13855, 14110, 25265, 25730, 27058, 27710, 43741, 50530, 67645, 85901, 87482, 135290, 171802, 218705, 229993, 419399, 429505, 437410, 459986, 838798, 859010, 1149965, 2096995, 2299930, 4193990, 7129783, 14259566, 35648915, 71297830]

約数ペア:

[(1, 71297830), (2, 35648915), (5, 14259566), (10, 7129783), (17, 4193990), (31, 2299930), (34, 2096995), (62, 1149965), (83, 859010), (85, 838798), (155, 459986), (163, 437410), (166, 429505), (170, 419399), (310, 229993), (326, 218705), (415, 171802), (527, 135290), (815, 87482), (830, 85901), (1054, 67645), (1411, 50530), (1630, 43741), (2573, 27710), (2635, 27058), (2771, 25730), (2822, 25265), (5053, 14110), (5146, 13855), (5270, 13529), (5542, 12865), (7055, 10106)]