87903972

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:210

約数の個数: 144

約数和(自身を含む): 253413888

約数和(自身を除く): 165509916

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 73, 78, 83, 93, 117, 124, 146, 156, 166, 186, 219, 234, 249, 279, 292, 332, 372, 403, 438, 468, 498, 558, 657, 747, 806, 876, 949, 996, 1079, 1116, 1209, 1314, 1494, 1612, 1898, 2158, 2263, 2418, 2573, 2628, 2847, 2988, 3237, 3627, 3796, 4316, 4526, 4836, 5146, 5694, 6059, 6474, 6789, 7254, 7719, 8541, 9052, 9711, 10292, 11388, 12118, 12948, 13578, 14508, 15438, 17082, 18177, 19422, 20367, 23157, 24236, 27156, 29419, 30876, 33449, 34164, 36354, 38844, 40734, 46314, 54531, 58838, 66898, 72708, 78767, 81468, 88257, 92628, 100347, 109062, 117676, 133796, 157534, 176514, 187829, 200694, 218124, 236301, 264771, 301041, 315068, 353028, 375658, 401388, 472602, 529542, 563487, 602082, 708903, 751316, 945204, 1059084, 1126974, 1204164, 1417806, 1690461, 2253948, 2441777, 2835612, 3380922, 4883554, 6761844, 7325331, 9767108, 14650662, 21975993, 29301324, 43951986, 87903972]

約数ペア:

[(1, 87903972), (2, 43951986), (3, 29301324), (4, 21975993), (6, 14650662), (9, 9767108), (12, 7325331), (13, 6761844), (18, 4883554), (26, 3380922), (31, 2835612), (36, 2441777), (39, 2253948), (52, 1690461), (62, 1417806), (73, 1204164), (78, 1126974), (83, 1059084), (93, 945204), (117, 751316), (124, 708903), (146, 602082), (156, 563487), (166, 529542), (186, 472602), (219, 401388), (234, 375658), (249, 353028), (279, 315068), (292, 301041), (332, 264771), (372, 236301), (403, 218124), (438, 200694), (468, 187829), (498, 176514), (558, 157534), (657, 133796), (747, 117676), (806, 109062), (876, 100347), (949, 92628), (996, 88257), (1079, 81468), (1116, 78767), (1209, 72708), (1314, 66898), (1494, 58838), (1612, 54531), (1898, 46314), (2158, 40734), (2263, 38844), (2418, 36354), (2573, 34164), (2628, 33449), (2847, 30876), (2988, 29419), (3237, 27156), (3627, 24236), (3796, 23157), (4316, 20367), (4526, 19422), (4836, 18177), (5146, 17082), (5694, 15438), (6059, 14508), (6474, 13578), (6789, 12948), (7254, 12118), (7719, 11388), (8541, 10292), (9052, 9711)]