128478546

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{241}}^1\times {\mathrm{4231}}^1$

素因数の和:4487

約数の個数: 48

約数和(自身を含む): 319532928

約数和(自身を除く): 191054382

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 241, 482, 723, 1446, 1687, 2169, 3374, 4231, 4338, 5061, 8462, 10122, 12693, 15183, 25386, 29617, 30366, 38079, 59234, 76158, 88851, 177702, 266553, 533106, 1019671, 2039342, 3059013, 6118026, 7137697, 9177039, 14275394, 18354078, 21413091, 42826182, 64239273, 128478546]

約数ペア:

[(1, 128478546), (2, 64239273), (3, 42826182), (6, 21413091), (7, 18354078), (9, 14275394), (14, 9177039), (18, 7137697), (21, 6118026), (42, 3059013), (63, 2039342), (126, 1019671), (241, 533106), (482, 266553), (723, 177702), (1446, 88851), (1687, 76158), (2169, 59234), (3374, 38079), (4231, 30366), (4338, 29617), (5061, 25386), (8462, 15183), (10122, 12693)]