398948796

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:256

約数の個数: 144

約数和(自身を含む): 1086059520

約数和(自身を除く): 687110724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 59, 62, 73, 83, 93, 118, 124, 146, 166, 177, 186, 219, 236, 249, 279, 292, 332, 354, 372, 438, 498, 531, 558, 657, 708, 747, 876, 996, 1062, 1116, 1314, 1494, 1829, 2124, 2263, 2573, 2628, 2988, 3658, 4307, 4526, 4897, 5146, 5487, 6059, 6789, 7316, 7719, 8614, 9052, 9794, 10292, 10974, 12118, 12921, 13578, 14691, 15438, 16461, 17228, 18177, 19588, 20367, 21948, 23157, 24236, 25842, 27156, 29382, 30876, 32922, 36354, 38763, 40734, 44073, 46314, 51684, 54531, 58764, 65844, 72708, 77526, 81468, 88146, 92628, 109062, 133517, 151807, 155052, 176292, 187829, 218124, 267034, 303614, 357481, 375658, 400551, 455421, 534068, 563487, 607228, 714962, 751316, 801102, 910842, 1072443, 1126974, 1201653, 1366263, 1429924, 1602204, 1690461, 1821684, 2144886, 2253948, 2403306, 2732526, 3217329, 3380922, 4289772, 4806612, 5465052, 6434658, 6761844, 11081911, 12869316, 22163822, 33245733, 44327644, 66491466, 99737199, 132982932, 199474398, 398948796]

約数ペア:

[(1, 398948796), (2, 199474398), (3, 132982932), (4, 99737199), (6, 66491466), (9, 44327644), (12, 33245733), (18, 22163822), (31, 12869316), (36, 11081911), (59, 6761844), (62, 6434658), (73, 5465052), (83, 4806612), (93, 4289772), (118, 3380922), (124, 3217329), (146, 2732526), (166, 2403306), (177, 2253948), (186, 2144886), (219, 1821684), (236, 1690461), (249, 1602204), (279, 1429924), (292, 1366263), (332, 1201653), (354, 1126974), (372, 1072443), (438, 910842), (498, 801102), (531, 751316), (558, 714962), (657, 607228), (708, 563487), (747, 534068), (876, 455421), (996, 400551), (1062, 375658), (1116, 357481), (1314, 303614), (1494, 267034), (1829, 218124), (2124, 187829), (2263, 176292), (2573, 155052), (2628, 151807), (2988, 133517), (3658, 109062), (4307, 92628), (4526, 88146), (4897, 81468), (5146, 77526), (5487, 72708), (6059, 65844), (6789, 58764), (7316, 54531), (7719, 51684), (8614, 46314), (9052, 44073), (9794, 40734), (10292, 38763), (10974, 36354), (12118, 32922), (12921, 30876), (13578, 29382), (14691, 27156), (15438, 25842), (16461, 24236), (17228, 23157), (18177, 21948), (19588, 20367)]