178293996

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{773}}^1$

素因数の和:975

約数の個数: 72

約数和(自身を含む): 464864400

約数和(自身を除く): 286570404

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 149, 172, 258, 298, 387, 447, 516, 596, 773, 774, 894, 1341, 1546, 1548, 1788, 2319, 2682, 3092, 4638, 5364, 6407, 6957, 9276, 12814, 13914, 19221, 25628, 27828, 33239, 38442, 57663, 66478, 76884, 99717, 115177, 115326, 132956, 199434, 230354, 230652, 299151, 345531, 398868, 460708, 598302, 691062, 1036593, 1196604, 1382124, 2073186, 4146372, 4952611, 9905222, 14857833, 19810444, 29715666, 44573499, 59431332, 89146998, 178293996]

約数ペア:

[(1, 178293996), (2, 89146998), (3, 59431332), (4, 44573499), (6, 29715666), (9, 19810444), (12, 14857833), (18, 9905222), (36, 4952611), (43, 4146372), (86, 2073186), (129, 1382124), (149, 1196604), (172, 1036593), (258, 691062), (298, 598302), (387, 460708), (447, 398868), (516, 345531), (596, 299151), (773, 230652), (774, 230354), (894, 199434), (1341, 132956), (1546, 115326), (1548, 115177), (1788, 99717), (2319, 76884), (2682, 66478), (3092, 57663), (4638, 38442), (5364, 33239), (6407, 27828), (6957, 25628), (9276, 19221), (12814, 13914)]