81970668

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10303}}^1$

素因数の和:10343

約数の個数: 72

約数和(自身を含む): 236291328

約数和(自身を除く): 154320660

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 204, 221, 234, 306, 442, 468, 612, 663, 884, 1326, 1989, 2652, 3978, 7956, 10303, 20606, 30909, 41212, 61818, 92727, 123636, 133939, 175151, 185454, 267878, 350302, 370908, 401817, 525453, 535756, 700604, 803634, 1050906, 1205451, 1576359, 1607268, 2101812, 2276963, 2410902, 3152718, 4553926, 4821804, 6305436, 6830889, 9107852, 13661778, 20492667, 27323556, 40985334, 81970668]

約数ペア:

[(1, 81970668), (2, 40985334), (3, 27323556), (4, 20492667), (6, 13661778), (9, 9107852), (12, 6830889), (13, 6305436), (17, 4821804), (18, 4553926), (26, 3152718), (34, 2410902), (36, 2276963), (39, 2101812), (51, 1607268), (52, 1576359), (68, 1205451), (78, 1050906), (102, 803634), (117, 700604), (153, 535756), (156, 525453), (204, 401817), (221, 370908), (234, 350302), (306, 267878), (442, 185454), (468, 175151), (612, 133939), (663, 123636), (884, 92727), (1326, 61818), (1989, 41212), (2652, 30909), (3978, 20606), (7956, 10303)]