977773420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{13877}}^1$

素因数の和:14170

約数の個数: 48

約数和(自身を含む): 2219591808

約数和(自身を除く): 1241818388

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 271, 542, 1084, 1355, 2710, 3523, 5420, 7046, 13877, 14092, 17615, 27754, 35230, 55508, 69385, 70460, 138770, 180401, 277540, 360802, 721604, 902005, 1804010, 3608020, 3760667, 7521334, 15042668, 18803335, 37606670, 48888671, 75213340, 97777342, 195554684, 244443355, 488886710, 977773420]

約数ペア:

[(1, 977773420), (2, 488886710), (4, 244443355), (5, 195554684), (10, 97777342), (13, 75213340), (20, 48888671), (26, 37606670), (52, 18803335), (65, 15042668), (130, 7521334), (260, 3760667), (271, 3608020), (542, 1804010), (1084, 902005), (1355, 721604), (2710, 360802), (3523, 277540), (5420, 180401), (7046, 138770), (13877, 70460), (14092, 69385), (17615, 55508), (27754, 35230)]