638961090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{78593}}^1$

素因数の和:78874

約数の個数: 32

約数和(自身を含む): 1539184896

約数和(自身を除く): 900223806

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 271, 542, 813, 1355, 1626, 2710, 4065, 8130, 78593, 157186, 235779, 392965, 471558, 785930, 1178895, 2357790, 21298703, 42597406, 63896109, 106493515, 127792218, 212987030, 319480545, 638961090]

約数ペア:

[(1, 638961090), (2, 319480545), (3, 212987030), (5, 127792218), (6, 106493515), (10, 63896109), (15, 42597406), (30, 21298703), (271, 2357790), (542, 1178895), (813, 785930), (1355, 471558), (1626, 392965), (2710, 235779), (4065, 157186), (8130, 78593)]