163642428

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{443}}^1$

素因数の和:815

約数の個数: 72

約数和(自身を含む): 429252096

約数和(自身を除く): 265609668

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 331, 372, 443, 558, 662, 886, 993, 1116, 1324, 1329, 1772, 1986, 2658, 2979, 3972, 3987, 5316, 5958, 7974, 10261, 11916, 13733, 15948, 20522, 27466, 30783, 41044, 41199, 54932, 61566, 82398, 92349, 123132, 123597, 146633, 164796, 184698, 247194, 293266, 369396, 439899, 494388, 586532, 879798, 1319697, 1759596, 2639394, 4545623, 5278788, 9091246, 13636869, 18182492, 27273738, 40910607, 54547476, 81821214, 163642428]

約数ペア:

[(1, 163642428), (2, 81821214), (3, 54547476), (4, 40910607), (6, 27273738), (9, 18182492), (12, 13636869), (18, 9091246), (31, 5278788), (36, 4545623), (62, 2639394), (93, 1759596), (124, 1319697), (186, 879798), (279, 586532), (331, 494388), (372, 439899), (443, 369396), (558, 293266), (662, 247194), (886, 184698), (993, 164796), (1116, 146633), (1324, 123597), (1329, 123132), (1772, 92349), (1986, 82398), (2658, 61566), (2979, 54932), (3972, 41199), (3987, 41044), (5316, 30783), (5958, 27466), (7974, 20522), (10261, 15948), (11916, 13733)]