256939653996

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{17077}}^1\times {\mathrm{21997}}^1$

素因数の和:39103

約数の個数: 72

約数和(自身を含む): 683740956080

約数和(自身を除く): 426801302084

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 17077, 21997, 34154, 43994, 51231, 65991, 68308, 87988, 102462, 131982, 153693, 197973, 204924, 263964, 307386, 324463, 395946, 417943, 614772, 648926, 791892, 835886, 973389, 1253829, 1297852, 1671772, 1946778, 2507658, 2920167, 3761487, 3893556, 5015316, 5840334, 7522974, 11680668, 15045948, 375642769, 751285538, 1126928307, 1502571076, 2253856614, 3380784921, 4507713228, 6761569842, 7137212611, 13523139684, 14274425222, 21411637833, 28548850444, 42823275666, 64234913499, 85646551332, 128469826998, 256939653996]

約数ペア:

[(1, 256939653996), (2, 128469826998), (3, 85646551332), (4, 64234913499), (6, 42823275666), (9, 28548850444), (12, 21411637833), (18, 14274425222), (19, 13523139684), (36, 7137212611), (38, 6761569842), (57, 4507713228), (76, 3380784921), (114, 2253856614), (171, 1502571076), (228, 1126928307), (342, 751285538), (684, 375642769), (17077, 15045948), (21997, 11680668), (34154, 7522974), (43994, 5840334), (51231, 5015316), (65991, 3893556), (68308, 3761487), (87988, 2920167), (102462, 2507658), (131982, 1946778), (153693, 1671772), (197973, 1297852), (204924, 1253829), (263964, 973389), (307386, 835886), (324463, 791892), (395946, 648926), (417943, 614772)]