28888488

素因数分解:

$2^3\times 3^4\times {\mathrm{109}}^1\times {\mathrm{409}}^1$

素因数の和:536

約数の個数: 80

約数和(自身を含む): 81856500

約数和(自身を除く): 52968012

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 109, 162, 216, 218, 324, 327, 409, 436, 648, 654, 818, 872, 981, 1227, 1308, 1636, 1962, 2454, 2616, 2943, 3272, 3681, 3924, 4908, 5886, 7362, 7848, 8829, 9816, 11043, 11772, 14724, 17658, 22086, 23544, 29448, 33129, 35316, 44172, 44581, 66258, 70632, 88344, 89162, 132516, 133743, 178324, 265032, 267486, 356648, 401229, 534972, 802458, 1069944, 1203687, 1604916, 2407374, 3209832, 3611061, 4814748, 7222122, 9629496, 14444244, 28888488]

約数ペア:

[(1, 28888488), (2, 14444244), (3, 9629496), (4, 7222122), (6, 4814748), (8, 3611061), (9, 3209832), (12, 2407374), (18, 1604916), (24, 1203687), (27, 1069944), (36, 802458), (54, 534972), (72, 401229), (81, 356648), (108, 267486), (109, 265032), (162, 178324), (216, 133743), (218, 132516), (324, 89162), (327, 88344), (409, 70632), (436, 66258), (648, 44581), (654, 44172), (818, 35316), (872, 33129), (981, 29448), (1227, 23544), (1308, 22086), (1636, 17658), (1962, 14724), (2454, 11772), (2616, 11043), (2943, 9816), (3272, 8829), (3681, 7848), (3924, 7362), (4908, 5886)]