631567278

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{1259}}^1$

素因数の和:1358

約数の個数: 72

約数和(自身を含む): 1463880600

約数和(自身を除く): 832313322

約数列:

[1, 2, 3, 6, 9, 18, 29, 31, 58, 62, 87, 93, 174, 186, 261, 279, 522, 558, 899, 961, 1259, 1798, 1922, 2518, 2697, 2883, 3777, 5394, 5766, 7554, 8091, 8649, 11331, 16182, 17298, 22662, 27869, 36511, 39029, 55738, 73022, 78058, 83607, 109533, 117087, 167214, 219066, 234174, 250821, 328599, 351261, 501642, 657198, 702522, 1131841, 1209899, 2263682, 2419798, 3395523, 3629697, 6791046, 7259394, 10186569, 10889091, 20373138, 21778182, 35087071, 70174142, 105261213, 210522426, 315783639, 631567278]

約数ペア:

[(1, 631567278), (2, 315783639), (3, 210522426), (6, 105261213), (9, 70174142), (18, 35087071), (29, 21778182), (31, 20373138), (58, 10889091), (62, 10186569), (87, 7259394), (93, 6791046), (174, 3629697), (186, 3395523), (261, 2419798), (279, 2263682), (522, 1209899), (558, 1131841), (899, 702522), (961, 657198), (1259, 501642), (1798, 351261), (1922, 328599), (2518, 250821), (2697, 234174), (2883, 219066), (3777, 167214), (5394, 117087), (5766, 109533), (7554, 83607), (8091, 78058), (8649, 73022), (11331, 55738), (16182, 39029), (17298, 36511), (22662, 27869)]