2159928

素因数分解:

$2^3\times 3^2\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 5920200

約数和(自身を除く): 3760272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 131, 229, 262, 393, 458, 524, 687, 786, 916, 1048, 1179, 1374, 1572, 1832, 2061, 2358, 2748, 3144, 4122, 4716, 5496, 8244, 9432, 16488, 29999, 59998, 89997, 119996, 179994, 239992, 269991, 359988, 539982, 719976, 1079964, 2159928]

約数ペア:

[(1, 2159928), (2, 1079964), (3, 719976), (4, 539982), (6, 359988), (8, 269991), (9, 239992), (12, 179994), (18, 119996), (24, 89997), (36, 59998), (72, 29999), (131, 16488), (229, 9432), (262, 8244), (393, 5496), (458, 4716), (524, 4122), (687, 3144), (786, 2748), (916, 2358), (1048, 2061), (1179, 1832), (1374, 1572)]