72721208

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1667}}^1$

素因数の和:1740

約数の個数: 64

約数和(自身を含む): 168134400

約数和(自身を除く): 95413192

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 41, 56, 76, 82, 133, 152, 164, 266, 287, 328, 532, 574, 779, 1064, 1148, 1558, 1667, 2296, 3116, 3334, 5453, 6232, 6668, 10906, 11669, 13336, 21812, 23338, 31673, 43624, 46676, 63346, 68347, 93352, 126692, 136694, 221711, 253384, 273388, 443422, 478429, 546776, 886844, 956858, 1298593, 1773688, 1913716, 2597186, 3827432, 5194372, 9090151, 10388744, 18180302, 36360604, 72721208]

約数ペア:

[(1, 72721208), (2, 36360604), (4, 18180302), (7, 10388744), (8, 9090151), (14, 5194372), (19, 3827432), (28, 2597186), (38, 1913716), (41, 1773688), (56, 1298593), (76, 956858), (82, 886844), (133, 546776), (152, 478429), (164, 443422), (266, 273388), (287, 253384), (328, 221711), (532, 136694), (574, 126692), (779, 93352), (1064, 68347), (1148, 63346), (1558, 46676), (1667, 43624), (2296, 31673), (3116, 23338), (3334, 21812), (5453, 13336), (6232, 11669), (6668, 10906)]