2559466468

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{461}}^1$

素因数の和:725

約数の個数: 72

約数和(自身を含む): 4999712256

約数和(自身を除く): 2440245788

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 169, 172, 191, 338, 382, 461, 559, 676, 764, 922, 1118, 1844, 2236, 2483, 4966, 5993, 7267, 8213, 9932, 11986, 14534, 16426, 19823, 23972, 29068, 32279, 32852, 39646, 64558, 77909, 79292, 88051, 106769, 129116, 155818, 176102, 213538, 257699, 311636, 352204, 427076, 515398, 1030796, 1144663, 1387997, 2289326, 2775994, 3350087, 3786193, 4578652, 5551988, 6700174, 7572386, 13400348, 14880619, 15144772, 29761238, 49220509, 59522476, 98441018, 196882036, 639866617, 1279733234, 2559466468]

約数ペア:

[(1, 2559466468), (2, 1279733234), (4, 639866617), (13, 196882036), (26, 98441018), (43, 59522476), (52, 49220509), (86, 29761238), (169, 15144772), (172, 14880619), (191, 13400348), (338, 7572386), (382, 6700174), (461, 5551988), (559, 4578652), (676, 3786193), (764, 3350087), (922, 2775994), (1118, 2289326), (1844, 1387997), (2236, 1144663), (2483, 1030796), (4966, 515398), (5993, 427076), (7267, 352204), (8213, 311636), (9932, 257699), (11986, 213538), (14534, 176102), (16426, 155818), (19823, 129116), (23972, 106769), (29068, 88051), (32279, 79292), (32852, 77909), (39646, 64558)]