1626690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:163

約数の個数: 64

約数和(自身を含む): 4346496

約数和(自身を除く): 2719806

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 43, 65, 78, 86, 97, 129, 130, 194, 195, 215, 258, 291, 390, 430, 485, 559, 582, 645, 970, 1118, 1261, 1290, 1455, 1677, 2522, 2795, 2910, 3354, 3783, 4171, 5590, 6305, 7566, 8342, 8385, 12513, 12610, 16770, 18915, 20855, 25026, 37830, 41710, 54223, 62565, 108446, 125130, 162669, 271115, 325338, 542230, 813345, 1626690]

約数ペア:

[(1, 1626690), (2, 813345), (3, 542230), (5, 325338), (6, 271115), (10, 162669), (13, 125130), (15, 108446), (26, 62565), (30, 54223), (39, 41710), (43, 37830), (65, 25026), (78, 20855), (86, 18915), (97, 16770), (129, 12610), (130, 12513), (194, 8385), (195, 8342), (215, 7566), (258, 6305), (291, 5590), (390, 4171), (430, 3783), (485, 3354), (559, 2910), (582, 2795), (645, 2522), (970, 1677), (1118, 1455), (1261, 1290)]