28704018

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:343

約数の個数: 64

約数和(自身を含む): 68382720

約数和(自身を除く): 39678702

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 79, 82, 123, 158, 211, 237, 246, 287, 422, 474, 553, 574, 633, 861, 1106, 1266, 1477, 1659, 1722, 2954, 3239, 3318, 4431, 6478, 8651, 8862, 9717, 16669, 17302, 19434, 22673, 25953, 33338, 45346, 50007, 51906, 60557, 68019, 100014, 116683, 121114, 136038, 181671, 233366, 350049, 363342, 683429, 700098, 1366858, 2050287, 4100574, 4784003, 9568006, 14352009, 28704018]

約数ペア:

[(1, 28704018), (2, 14352009), (3, 9568006), (6, 4784003), (7, 4100574), (14, 2050287), (21, 1366858), (41, 700098), (42, 683429), (79, 363342), (82, 350049), (123, 233366), (158, 181671), (211, 136038), (237, 121114), (246, 116683), (287, 100014), (422, 68019), (474, 60557), (553, 51906), (574, 50007), (633, 45346), (861, 33338), (1106, 25953), (1266, 22673), (1477, 19434), (1659, 17302), (1722, 16669), (2954, 9717), (3239, 8862), (3318, 8651), (4431, 6478)]