71687916

素因数分解:

$2^2\times 3^5\times {\mathrm{131}}^1\times {\mathrm{563}}^1$

素因数の和:713

約数の個数: 72

約数和(自身を含む): 189693504

約数和(自身を除く): 118005588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 131, 162, 243, 262, 324, 393, 486, 524, 563, 786, 972, 1126, 1179, 1572, 1689, 2252, 2358, 3378, 3537, 4716, 5067, 6756, 7074, 10134, 10611, 14148, 15201, 20268, 21222, 30402, 31833, 42444, 45603, 60804, 63666, 73753, 91206, 127332, 136809, 147506, 182412, 221259, 273618, 295012, 442518, 547236, 663777, 885036, 1327554, 1991331, 2655108, 3982662, 5973993, 7965324, 11947986, 17921979, 23895972, 35843958, 71687916]

約数ペア:

[(1, 71687916), (2, 35843958), (3, 23895972), (4, 17921979), (6, 11947986), (9, 7965324), (12, 5973993), (18, 3982662), (27, 2655108), (36, 1991331), (54, 1327554), (81, 885036), (108, 663777), (131, 547236), (162, 442518), (243, 295012), (262, 273618), (324, 221259), (393, 182412), (486, 147506), (524, 136809), (563, 127332), (786, 91206), (972, 73753), (1126, 63666), (1179, 60804), (1572, 45603), (1689, 42444), (2252, 31833), (2358, 30402), (3378, 21222), (3537, 20268), (4716, 15201), (5067, 14148), (6756, 10611), (7074, 10134)]