83128890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4957}}^1$

素因数の和:5023

約数の個数: 64

約数和(自身を含む): 219897216

約数和(自身を除く): 136768326

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 43, 65, 78, 86, 129, 130, 195, 215, 258, 390, 430, 559, 645, 1118, 1290, 1677, 2795, 3354, 4957, 5590, 8385, 9914, 14871, 16770, 24785, 29742, 49570, 64441, 74355, 128882, 148710, 193323, 213151, 322205, 386646, 426302, 639453, 644410, 966615, 1065755, 1278906, 1933230, 2131510, 2770963, 3197265, 5541926, 6394530, 8312889, 13854815, 16625778, 27709630, 41564445, 83128890]

約数ペア:

[(1, 83128890), (2, 41564445), (3, 27709630), (5, 16625778), (6, 13854815), (10, 8312889), (13, 6394530), (15, 5541926), (26, 3197265), (30, 2770963), (39, 2131510), (43, 1933230), (65, 1278906), (78, 1065755), (86, 966615), (129, 644410), (130, 639453), (195, 426302), (215, 386646), (258, 322205), (390, 213151), (430, 193323), (559, 148710), (645, 128882), (1118, 74355), (1290, 64441), (1677, 49570), (2795, 29742), (3354, 24785), (4957, 16770), (5590, 14871), (8385, 9914)]