40212718

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1$

素因数の和:397

約数の個数: 64

約数和(自身を含む): 80777088

約数和(自身を除く): 40564370

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 41, 82, 91, 119, 182, 221, 238, 287, 317, 442, 533, 574, 634, 697, 1066, 1394, 1547, 2219, 3094, 3731, 4121, 4438, 4879, 5389, 7462, 8242, 9061, 9758, 10778, 12997, 18122, 25994, 28847, 37723, 57694, 63427, 70057, 75446, 90979, 126854, 140114, 168961, 181958, 220949, 337922, 441898, 490399, 980798, 1182727, 1546643, 2365454, 2872337, 3093286, 5744674, 20106359, 40212718]

約数ペア:

[(1, 40212718), (2, 20106359), (7, 5744674), (13, 3093286), (14, 2872337), (17, 2365454), (26, 1546643), (34, 1182727), (41, 980798), (82, 490399), (91, 441898), (119, 337922), (182, 220949), (221, 181958), (238, 168961), (287, 140114), (317, 126854), (442, 90979), (533, 75446), (574, 70057), (634, 63427), (697, 57694), (1066, 37723), (1394, 28847), (1547, 25994), (2219, 18122), (3094, 12997), (3731, 10778), (4121, 9758), (4438, 9061), (4879, 8242), (5389, 7462)]