13090990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:409

約数の個数: 48

約数和(自身を含む): 26812800

約数和(自身を除く): 13721810

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 121, 155, 242, 310, 341, 349, 605, 682, 698, 1210, 1705, 1745, 3410, 3490, 3751, 3839, 7502, 7678, 10819, 18755, 19195, 21638, 37510, 38390, 42229, 54095, 84458, 108190, 119009, 211145, 238018, 422290, 595045, 1190090, 1309099, 2618198, 6545495, 13090990]

約数ペア:

[(1, 13090990), (2, 6545495), (5, 2618198), (10, 1309099), (11, 1190090), (22, 595045), (31, 422290), (55, 238018), (62, 211145), (110, 119009), (121, 108190), (155, 84458), (242, 54095), (310, 42229), (341, 38390), (349, 37510), (605, 21638), (682, 19195), (698, 18755), (1210, 10819), (1705, 7678), (1745, 7502), (3410, 3839), (3490, 3751)]