71975988

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:226

約数の個数: 144

約数和(自身を含む): 218050560

約数和(自身を除く): 146074572

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 47, 59, 63, 84, 94, 103, 118, 126, 141, 177, 188, 206, 236, 252, 282, 309, 329, 354, 412, 413, 423, 531, 564, 618, 658, 708, 721, 826, 846, 927, 987, 1062, 1236, 1239, 1316, 1442, 1652, 1692, 1854, 1974, 2124, 2163, 2478, 2773, 2884, 2961, 3708, 3717, 3948, 4326, 4841, 4956, 5546, 5922, 6077, 6489, 7434, 8319, 8652, 9682, 11092, 11844, 12154, 12978, 14523, 14868, 16638, 18231, 19364, 19411, 24308, 24957, 25956, 29046, 33276, 33887, 36462, 38822, 42539, 43569, 49914, 54693, 58092, 58233, 67774, 72924, 77644, 85078, 87138, 99828, 101661, 109386, 116466, 127617, 135548, 170156, 174276, 174699, 203322, 218772, 232932, 255234, 285619, 304983, 349398, 382851, 406644, 510468, 571238, 609966, 698796, 765702, 856857, 1142476, 1219932, 1531404, 1713714, 1999333, 2570571, 3427428, 3998666, 5141142, 5997999, 7997332, 10282284, 11995998, 17993997, 23991996, 35987994, 71975988]

約数ペア:

[(1, 71975988), (2, 35987994), (3, 23991996), (4, 17993997), (6, 11995998), (7, 10282284), (9, 7997332), (12, 5997999), (14, 5141142), (18, 3998666), (21, 3427428), (28, 2570571), (36, 1999333), (42, 1713714), (47, 1531404), (59, 1219932), (63, 1142476), (84, 856857), (94, 765702), (103, 698796), (118, 609966), (126, 571238), (141, 510468), (177, 406644), (188, 382851), (206, 349398), (236, 304983), (252, 285619), (282, 255234), (309, 232932), (329, 218772), (354, 203322), (412, 174699), (413, 174276), (423, 170156), (531, 135548), (564, 127617), (618, 116466), (658, 109386), (708, 101661), (721, 99828), (826, 87138), (846, 85078), (927, 77644), (987, 72924), (1062, 67774), (1236, 58233), (1239, 58092), (1316, 54693), (1442, 49914), (1652, 43569), (1692, 42539), (1854, 38822), (1974, 36462), (2124, 33887), (2163, 33276), (2478, 29046), (2773, 25956), (2884, 24957), (2961, 24308), (3708, 19411), (3717, 19364), (3948, 18231), (4326, 16638), (4841, 14868), (4956, 14523), (5546, 12978), (5922, 12154), (6077, 11844), (6489, 11092), (7434, 9682), (8319, 8652)]