311958828

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{443}}^1\times {\mathrm{631}}^1$

素因数の和:1115

約数の個数: 72

約数和(自身を含む): 817130496

約数和(自身を除く): 505171668

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 443, 558, 631, 886, 1116, 1262, 1329, 1772, 1893, 2524, 2658, 3786, 3987, 5316, 5679, 7572, 7974, 11358, 13733, 15948, 19561, 22716, 27466, 39122, 41199, 54932, 58683, 78244, 82398, 117366, 123597, 164796, 176049, 234732, 247194, 279533, 352098, 494388, 559066, 704196, 838599, 1118132, 1677198, 2515797, 3354396, 5031594, 8665523, 10063188, 17331046, 25996569, 34662092, 51993138, 77989707, 103986276, 155979414, 311958828]

約数ペア:

[(1, 311958828), (2, 155979414), (3, 103986276), (4, 77989707), (6, 51993138), (9, 34662092), (12, 25996569), (18, 17331046), (31, 10063188), (36, 8665523), (62, 5031594), (93, 3354396), (124, 2515797), (186, 1677198), (279, 1118132), (372, 838599), (443, 704196), (558, 559066), (631, 494388), (886, 352098), (1116, 279533), (1262, 247194), (1329, 234732), (1772, 176049), (1893, 164796), (2524, 123597), (2658, 117366), (3786, 82398), (3987, 78244), (5316, 58683), (5679, 54932), (7572, 41199), (7974, 39122), (11358, 27466), (13733, 22716), (15948, 19561)]