128220664

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1$

素因数の和:413

約数の個数: 128

約数和(自身を含む): 315705600

約数和(自身を除く): 187484936

約数列:

[1, 2, 4, 8, 11, 13, 17, 19, 22, 26, 34, 38, 44, 52, 68, 76, 88, 104, 136, 143, 152, 187, 209, 221, 247, 286, 323, 347, 374, 418, 442, 494, 572, 646, 694, 748, 836, 884, 988, 1144, 1292, 1388, 1496, 1672, 1768, 1976, 2431, 2584, 2717, 2776, 3553, 3817, 4199, 4511, 4862, 5434, 5899, 6593, 7106, 7634, 8398, 9022, 9724, 10868, 11798, 13186, 14212, 15268, 16796, 18044, 19448, 21736, 23596, 26372, 28424, 30536, 33592, 36088, 46189, 47192, 49621, 52744, 64889, 72523, 76687, 85709, 92378, 99242, 112081, 129778, 145046, 153374, 171418, 184756, 198484, 224162, 259556, 290092, 306748, 342836, 369512, 396968, 448324, 519112, 580184, 613496, 685672, 843557, 896648, 942799, 1232891, 1457053, 1687114, 1885598, 2465782, 2914106, 3374228, 3771196, 4931564, 5828212, 6748456, 7542392, 9863128, 11656424, 16027583, 32055166, 64110332, 128220664]

約数ペア:

[(1, 128220664), (2, 64110332), (4, 32055166), (8, 16027583), (11, 11656424), (13, 9863128), (17, 7542392), (19, 6748456), (22, 5828212), (26, 4931564), (34, 3771196), (38, 3374228), (44, 2914106), (52, 2465782), (68, 1885598), (76, 1687114), (88, 1457053), (104, 1232891), (136, 942799), (143, 896648), (152, 843557), (187, 685672), (209, 613496), (221, 580184), (247, 519112), (286, 448324), (323, 396968), (347, 369512), (374, 342836), (418, 306748), (442, 290092), (494, 259556), (572, 224162), (646, 198484), (694, 184756), (748, 171418), (836, 153374), (884, 145046), (988, 129778), (1144, 112081), (1292, 99242), (1388, 92378), (1496, 85709), (1672, 76687), (1768, 72523), (1976, 64889), (2431, 52744), (2584, 49621), (2717, 47192), (2776, 46189), (3553, 36088), (3817, 33592), (4199, 30536), (4511, 28424), (4862, 26372), (5434, 23596), (5899, 21736), (6593, 19448), (7106, 18044), (7634, 16796), (8398, 15268), (9022, 14212), (9724, 13186), (10868, 11798)]