251759916

素因数分解:

$2^2\times 3^2\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{773}}^1$

素因数の和:975

約数の個数: 72

約数和(自身を含む): 650810160

約数和(自身を除く): 399050244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 83, 109, 166, 218, 249, 327, 332, 436, 498, 654, 747, 773, 981, 996, 1308, 1494, 1546, 1962, 2319, 2988, 3092, 3924, 4638, 6957, 9047, 9276, 13914, 18094, 27141, 27828, 36188, 54282, 64159, 81423, 84257, 108564, 128318, 162846, 168514, 192477, 252771, 256636, 325692, 337028, 384954, 505542, 577431, 758313, 769908, 1011084, 1154862, 1516626, 2309724, 3033252, 6993331, 13986662, 20979993, 27973324, 41959986, 62939979, 83919972, 125879958, 251759916]

約数ペア:

[(1, 251759916), (2, 125879958), (3, 83919972), (4, 62939979), (6, 41959986), (9, 27973324), (12, 20979993), (18, 13986662), (36, 6993331), (83, 3033252), (109, 2309724), (166, 1516626), (218, 1154862), (249, 1011084), (327, 769908), (332, 758313), (436, 577431), (498, 505542), (654, 384954), (747, 337028), (773, 325692), (981, 256636), (996, 252771), (1308, 192477), (1494, 168514), (1546, 162846), (1962, 128318), (2319, 108564), (2988, 84257), (3092, 81423), (3924, 64159), (4638, 54282), (6957, 36188), (9047, 27828), (9276, 27141), (13914, 18094)]