261290136

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{587}}^1\times {\mathrm{1091}}^1$

素因数の和:1704

約数の個数: 64

約数和(自身を含む): 693463680

約数和(自身を除く): 432173544

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 587, 1091, 1174, 1761, 2182, 2348, 3273, 3522, 4364, 4696, 6546, 7044, 8728, 9979, 13092, 14088, 18547, 19958, 26184, 29937, 37094, 39916, 55641, 59874, 74188, 79832, 111282, 119748, 148376, 222564, 239496, 445128, 640417, 1280834, 1921251, 2561668, 3842502, 5123336, 7685004, 10887089, 15370008, 21774178, 32661267, 43548356, 65322534, 87096712, 130645068, 261290136]

約数ペア:

[(1, 261290136), (2, 130645068), (3, 87096712), (4, 65322534), (6, 43548356), (8, 32661267), (12, 21774178), (17, 15370008), (24, 10887089), (34, 7685004), (51, 5123336), (68, 3842502), (102, 2561668), (136, 1921251), (204, 1280834), (408, 640417), (587, 445128), (1091, 239496), (1174, 222564), (1761, 148376), (2182, 119748), (2348, 111282), (3273, 79832), (3522, 74188), (4364, 59874), (4696, 55641), (6546, 39916), (7044, 37094), (8728, 29937), (9979, 26184), (13092, 19958), (14088, 18547)]