7957390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 17879040

約数和(自身を除く): 9921650

約数列:

[1, 2, 5, 7, 10, 14, 19, 31, 35, 38, 62, 70, 95, 133, 155, 190, 193, 217, 266, 310, 386, 434, 589, 665, 965, 1085, 1178, 1330, 1351, 1930, 2170, 2702, 2945, 3667, 4123, 5890, 5983, 6755, 7334, 8246, 11966, 13510, 18335, 20615, 25669, 29915, 36670, 41230, 41881, 51338, 59830, 83762, 113677, 128345, 209405, 227354, 256690, 418810, 568385, 795739, 1136770, 1591478, 3978695, 7957390]

約数ペア:

[(1, 7957390), (2, 3978695), (5, 1591478), (7, 1136770), (10, 795739), (14, 568385), (19, 418810), (31, 256690), (35, 227354), (38, 209405), (62, 128345), (70, 113677), (95, 83762), (133, 59830), (155, 51338), (190, 41881), (193, 41230), (217, 36670), (266, 29915), (310, 25669), (386, 20615), (434, 18335), (589, 13510), (665, 11966), (965, 8246), (1085, 7334), (1178, 6755), (1330, 5983), (1351, 5890), (1930, 4123), (2170, 3667), (2702, 2945)]