28419888

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2063}}^1$

素因数の和:2122

約数の個数: 80

約数和(自身を含む): 85994496

約数和(自身を除く): 57574608

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 41, 42, 48, 56, 82, 84, 112, 123, 164, 168, 246, 287, 328, 336, 492, 574, 656, 861, 984, 1148, 1722, 1968, 2063, 2296, 3444, 4126, 4592, 6189, 6888, 8252, 12378, 13776, 14441, 16504, 24756, 28882, 33008, 43323, 49512, 57764, 84583, 86646, 99024, 115528, 169166, 173292, 231056, 253749, 338332, 346584, 507498, 592081, 676664, 693168, 1014996, 1184162, 1353328, 1776243, 2029992, 2368324, 3552486, 4059984, 4736648, 7104972, 9473296, 14209944, 28419888]

約数ペア:

[(1, 28419888), (2, 14209944), (3, 9473296), (4, 7104972), (6, 4736648), (7, 4059984), (8, 3552486), (12, 2368324), (14, 2029992), (16, 1776243), (21, 1353328), (24, 1184162), (28, 1014996), (41, 693168), (42, 676664), (48, 592081), (56, 507498), (82, 346584), (84, 338332), (112, 253749), (123, 231056), (164, 173292), (168, 169166), (246, 115528), (287, 99024), (328, 86646), (336, 84583), (492, 57764), (574, 49512), (656, 43323), (861, 33008), (984, 28882), (1148, 24756), (1722, 16504), (1968, 14441), (2063, 13776), (2296, 12378), (3444, 8252), (4126, 6888), (4592, 6189)]