131223248

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{433}}^1$

素因数の和:532

約数の個数: 80

約数和(自身を含む): 289314816

約数和(自身を除く): 158091568

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 47, 52, 62, 94, 104, 124, 188, 208, 248, 376, 403, 433, 496, 611, 752, 806, 866, 1222, 1457, 1612, 1732, 2444, 2914, 3224, 3464, 4888, 5629, 5828, 6448, 6928, 9776, 11258, 11656, 13423, 18941, 20351, 22516, 23312, 26846, 37882, 40702, 45032, 53692, 75764, 81404, 90064, 107384, 151528, 162808, 174499, 214768, 264563, 303056, 325616, 348998, 529126, 630881, 697996, 1058252, 1261762, 1395992, 2116504, 2523524, 2791984, 4233008, 5047048, 8201453, 10094096, 16402906, 32805812, 65611624, 131223248]

約数ペア:

[(1, 131223248), (2, 65611624), (4, 32805812), (8, 16402906), (13, 10094096), (16, 8201453), (26, 5047048), (31, 4233008), (47, 2791984), (52, 2523524), (62, 2116504), (94, 1395992), (104, 1261762), (124, 1058252), (188, 697996), (208, 630881), (248, 529126), (376, 348998), (403, 325616), (433, 303056), (496, 264563), (611, 214768), (752, 174499), (806, 162808), (866, 151528), (1222, 107384), (1457, 90064), (1612, 81404), (1732, 75764), (2444, 53692), (2914, 45032), (3224, 40702), (3464, 37882), (4888, 26846), (5629, 23312), (5828, 22516), (6448, 20351), (6928, 18941), (9776, 13423), (11258, 11656)]