81257436

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{7549}}^1$

素因数の和:7595

約数の個数: 72

約数和(自身を含む): 230848800

約数和(自身を除く): 149591364

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 39, 46, 52, 69, 78, 92, 117, 138, 156, 207, 234, 276, 299, 414, 468, 598, 828, 897, 1196, 1794, 2691, 3588, 5382, 7549, 10764, 15098, 22647, 30196, 45294, 67941, 90588, 98137, 135882, 173627, 196274, 271764, 294411, 347254, 392548, 520881, 588822, 694508, 883233, 1041762, 1177644, 1562643, 1766466, 2083524, 2257151, 3125286, 3532932, 4514302, 6250572, 6771453, 9028604, 13542906, 20314359, 27085812, 40628718, 81257436]

約数ペア:

[(1, 81257436), (2, 40628718), (3, 27085812), (4, 20314359), (6, 13542906), (9, 9028604), (12, 6771453), (13, 6250572), (18, 4514302), (23, 3532932), (26, 3125286), (36, 2257151), (39, 2083524), (46, 1766466), (52, 1562643), (69, 1177644), (78, 1041762), (92, 883233), (117, 694508), (138, 588822), (156, 520881), (207, 392548), (234, 347254), (276, 294411), (299, 271764), (414, 196274), (468, 173627), (598, 135882), (828, 98137), (897, 90588), (1196, 67941), (1794, 45294), (2691, 30196), (3588, 22647), (5382, 15098), (7549, 10764)]