28812888

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:390

約数の個数: 128

約数和(自身を含む): 89241600

約数和(自身を除く): 60428712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 31, 36, 39, 52, 54, 62, 72, 78, 93, 104, 108, 117, 124, 156, 186, 216, 234, 248, 279, 312, 331, 351, 372, 403, 468, 558, 662, 702, 744, 806, 837, 936, 993, 1116, 1209, 1324, 1404, 1612, 1674, 1986, 2232, 2418, 2648, 2808, 2979, 3224, 3348, 3627, 3972, 4303, 4836, 5958, 6696, 7254, 7944, 8606, 8937, 9672, 10261, 10881, 11916, 12909, 14508, 17212, 17874, 20522, 21762, 23832, 25818, 29016, 30783, 34424, 35748, 38727, 41044, 43524, 51636, 61566, 71496, 77454, 82088, 87048, 92349, 103272, 116181, 123132, 133393, 154908, 184698, 232362, 246264, 266786, 277047, 309816, 369396, 400179, 464724, 533572, 554094, 738792, 800358, 929448, 1067144, 1108188, 1200537, 1600716, 2216376, 2401074, 3201432, 3601611, 4802148, 7203222, 9604296, 14406444, 28812888]

約数ペア:

[(1, 28812888), (2, 14406444), (3, 9604296), (4, 7203222), (6, 4802148), (8, 3601611), (9, 3201432), (12, 2401074), (13, 2216376), (18, 1600716), (24, 1200537), (26, 1108188), (27, 1067144), (31, 929448), (36, 800358), (39, 738792), (52, 554094), (54, 533572), (62, 464724), (72, 400179), (78, 369396), (93, 309816), (104, 277047), (108, 266786), (117, 246264), (124, 232362), (156, 184698), (186, 154908), (216, 133393), (234, 123132), (248, 116181), (279, 103272), (312, 92349), (331, 87048), (351, 82088), (372, 77454), (403, 71496), (468, 61566), (558, 51636), (662, 43524), (702, 41044), (744, 38727), (806, 35748), (837, 34424), (936, 30783), (993, 29016), (1116, 25818), (1209, 23832), (1324, 21762), (1404, 20522), (1612, 17874), (1674, 17212), (1986, 14508), (2232, 12909), (2418, 11916), (2648, 10881), (2808, 10261), (2979, 9672), (3224, 8937), (3348, 8606), (3627, 7944), (3972, 7254), (4303, 6696), (4836, 5958)]