28688010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4327}}^1$

素因数の和:4367

約数の個数: 64

約数和(自身を含む): 78527232

約数和(自身を除く): 49839222

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1326, 2210, 3315, 4327, 6630, 8654, 12981, 21635, 25962, 43270, 56251, 64905, 73559, 112502, 129810, 147118, 168753, 220677, 281255, 337506, 367795, 441354, 562510, 735590, 843765, 956267, 1103385, 1687530, 1912534, 2206770, 2868801, 4781335, 5737602, 9562670, 14344005, 28688010]

約数ペア:

[(1, 28688010), (2, 14344005), (3, 9562670), (5, 5737602), (6, 4781335), (10, 2868801), (13, 2206770), (15, 1912534), (17, 1687530), (26, 1103385), (30, 956267), (34, 843765), (39, 735590), (51, 562510), (65, 441354), (78, 367795), (85, 337506), (102, 281255), (130, 220677), (170, 168753), (195, 147118), (221, 129810), (255, 112502), (390, 73559), (442, 64905), (510, 56251), (663, 43270), (1105, 25962), (1326, 21635), (2210, 12981), (3315, 8654), (4327, 6630)]