978019896

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{1019}}^1$

素因数の和:1261

約数の個数: 128

約数和(自身を含む): 2908224000

約数和(自身を除く): 1930204104

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 29, 42, 56, 58, 84, 87, 116, 168, 174, 197, 203, 232, 348, 394, 406, 591, 609, 696, 788, 812, 1019, 1182, 1218, 1379, 1576, 1624, 2038, 2364, 2436, 2758, 3057, 4076, 4137, 4728, 4872, 5516, 5713, 6114, 7133, 8152, 8274, 11032, 11426, 12228, 14266, 16548, 17139, 21399, 22852, 24456, 28532, 29551, 33096, 34278, 39991, 42798, 45704, 57064, 59102, 68556, 79982, 85596, 88653, 118204, 119973, 137112, 159964, 171192, 177306, 200743, 206857, 236408, 239946, 319928, 354612, 401486, 413714, 479892, 602229, 620571, 709224, 802972, 827428, 959784, 1204458, 1241142, 1405201, 1605944, 1654856, 2408916, 2482284, 2810402, 4215603, 4817832, 4964568, 5620804, 5821547, 8431206, 11241608, 11643094, 16862412, 17464641, 23286188, 33724824, 34929282, 40750829, 46572376, 69858564, 81501658, 122252487, 139717128, 163003316, 244504974, 326006632, 489009948, 978019896]

約数ペア:

[(1, 978019896), (2, 489009948), (3, 326006632), (4, 244504974), (6, 163003316), (7, 139717128), (8, 122252487), (12, 81501658), (14, 69858564), (21, 46572376), (24, 40750829), (28, 34929282), (29, 33724824), (42, 23286188), (56, 17464641), (58, 16862412), (84, 11643094), (87, 11241608), (116, 8431206), (168, 5821547), (174, 5620804), (197, 4964568), (203, 4817832), (232, 4215603), (348, 2810402), (394, 2482284), (406, 2408916), (591, 1654856), (609, 1605944), (696, 1405201), (788, 1241142), (812, 1204458), (1019, 959784), (1182, 827428), (1218, 802972), (1379, 709224), (1576, 620571), (1624, 602229), (2038, 479892), (2364, 413714), (2436, 401486), (2758, 354612), (3057, 319928), (4076, 239946), (4137, 236408), (4728, 206857), (4872, 200743), (5516, 177306), (5713, 171192), (6114, 159964), (7133, 137112), (8152, 119973), (8274, 118204), (11032, 88653), (11426, 85596), (12228, 79982), (14266, 68556), (16548, 59102), (17139, 57064), (21399, 45704), (22852, 42798), (24456, 39991), (28532, 34278), (29551, 33096)]