520073406

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{1987}}^1$

素因数の和:2166

約数の個数: 64

約数和(自身を含む): 1196616960

約数和(自身を除く): 676543554

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 131, 222, 262, 333, 393, 666, 786, 999, 1179, 1987, 1998, 2358, 3537, 3974, 4847, 5961, 7074, 9694, 11922, 14541, 17883, 29082, 35766, 43623, 53649, 73519, 87246, 107298, 130869, 147038, 220557, 260297, 261738, 441114, 520594, 661671, 780891, 1323342, 1561782, 1985013, 2342673, 3970026, 4685346, 7028019, 9630989, 14056038, 19261978, 28892967, 57785934, 86678901, 173357802, 260036703, 520073406]

約数ペア:

[(1, 520073406), (2, 260036703), (3, 173357802), (6, 86678901), (9, 57785934), (18, 28892967), (27, 19261978), (37, 14056038), (54, 9630989), (74, 7028019), (111, 4685346), (131, 3970026), (222, 2342673), (262, 1985013), (333, 1561782), (393, 1323342), (666, 780891), (786, 661671), (999, 520594), (1179, 441114), (1987, 261738), (1998, 260297), (2358, 220557), (3537, 147038), (3974, 130869), (4847, 107298), (5961, 87246), (7074, 73519), (9694, 53649), (11922, 43623), (14541, 35766), (17883, 29082)]