261905462

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:190

約数の個数: 128

約数和(自身を含む): 551577600

約数和(自身を除く): 289672138

約数列:

[1, 2, 7, 13, 14, 19, 23, 26, 37, 38, 46, 74, 89, 91, 133, 161, 178, 182, 247, 259, 266, 299, 322, 437, 481, 494, 518, 598, 623, 703, 851, 874, 962, 1157, 1246, 1406, 1691, 1702, 1729, 2047, 2093, 2314, 3059, 3293, 3367, 3382, 3458, 4094, 4186, 4921, 5681, 5957, 6118, 6586, 6734, 8099, 9139, 9842, 11063, 11362, 11837, 11914, 14329, 16169, 16198, 18278, 21983, 22126, 23051, 23674, 26611, 28658, 32338, 38893, 39767, 42809, 43966, 46102, 53222, 62567, 63973, 75739, 77441, 77786, 79534, 85618, 113183, 125134, 127946, 151478, 153881, 154882, 186277, 210197, 226366, 272251, 299663, 307762, 372554, 420394, 437969, 505609, 530173, 544502, 599326, 813371, 875938, 984607, 1011218, 1060346, 1439041, 1471379, 1626742, 1969214, 2878082, 2942758, 3539263, 5693597, 6892249, 7078526, 10073287, 11387194, 13784498, 18707533, 20146574, 37415066, 130952731, 261905462]

約数ペア:

[(1, 261905462), (2, 130952731), (7, 37415066), (13, 20146574), (14, 18707533), (19, 13784498), (23, 11387194), (26, 10073287), (37, 7078526), (38, 6892249), (46, 5693597), (74, 3539263), (89, 2942758), (91, 2878082), (133, 1969214), (161, 1626742), (178, 1471379), (182, 1439041), (247, 1060346), (259, 1011218), (266, 984607), (299, 875938), (322, 813371), (437, 599326), (481, 544502), (494, 530173), (518, 505609), (598, 437969), (623, 420394), (703, 372554), (851, 307762), (874, 299663), (962, 272251), (1157, 226366), (1246, 210197), (1406, 186277), (1691, 154882), (1702, 153881), (1729, 151478), (2047, 127946), (2093, 125134), (2314, 113183), (3059, 85618), (3293, 79534), (3367, 77786), (3382, 77441), (3458, 75739), (4094, 63973), (4186, 62567), (4921, 53222), (5681, 46102), (5957, 43966), (6118, 42809), (6586, 39767), (6734, 38893), (8099, 32338), (9139, 28658), (9842, 26611), (11063, 23674), (11362, 23051), (11837, 22126), (11914, 21983), (14329, 18278), (16169, 16198)]