257312244

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{1993}}^1$

素因数の和:2089

約数の個数: 96

約数和(自身を含む): 723582720

約数和(自身を除く): 466270476

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 53, 58, 84, 87, 106, 116, 159, 174, 203, 212, 318, 348, 371, 406, 609, 636, 742, 812, 1113, 1218, 1484, 1537, 1993, 2226, 2436, 3074, 3986, 4452, 4611, 5979, 6148, 7972, 9222, 10759, 11958, 13951, 18444, 21518, 23916, 27902, 32277, 41853, 43036, 55804, 57797, 64554, 83706, 105629, 115594, 129108, 167412, 173391, 211258, 231188, 316887, 346782, 404579, 422516, 633774, 693564, 739403, 809158, 1213737, 1267548, 1478806, 1618316, 2218209, 2427474, 2957612, 3063241, 4436418, 4854948, 6126482, 8872836, 9189723, 12252964, 18379446, 21442687, 36758892, 42885374, 64328061, 85770748, 128656122, 257312244]

約数ペア:

[(1, 257312244), (2, 128656122), (3, 85770748), (4, 64328061), (6, 42885374), (7, 36758892), (12, 21442687), (14, 18379446), (21, 12252964), (28, 9189723), (29, 8872836), (42, 6126482), (53, 4854948), (58, 4436418), (84, 3063241), (87, 2957612), (106, 2427474), (116, 2218209), (159, 1618316), (174, 1478806), (203, 1267548), (212, 1213737), (318, 809158), (348, 739403), (371, 693564), (406, 633774), (609, 422516), (636, 404579), (742, 346782), (812, 316887), (1113, 231188), (1218, 211258), (1484, 173391), (1537, 167412), (1993, 129108), (2226, 115594), (2436, 105629), (3074, 83706), (3986, 64554), (4452, 57797), (4611, 55804), (5979, 43036), (6148, 41853), (7972, 32277), (9222, 27902), (10759, 23916), (11958, 21518), (13951, 18444)]