665899312

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{1277}}^1$

素因数の和:1430

約数の個数: 80

約数和(自身を含む): 1464281280

約数和(自身を除く): 798381968

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 109, 184, 208, 218, 299, 368, 436, 598, 872, 1196, 1277, 1417, 1744, 2392, 2507, 2554, 2834, 4784, 5014, 5108, 5668, 10028, 10216, 11336, 16601, 20056, 20432, 22672, 29371, 32591, 33202, 40112, 58742, 65182, 66404, 117484, 130364, 132808, 139193, 234968, 260728, 265616, 278386, 381823, 469936, 521456, 556772, 763646, 1113544, 1527292, 1809509, 2227088, 3054584, 3201439, 3619018, 6109168, 6402878, 7238036, 12805756, 14476072, 25611512, 28952144, 41618707, 51223024, 83237414, 166474828, 332949656, 665899312]

約数ペア:

[(1, 665899312), (2, 332949656), (4, 166474828), (8, 83237414), (13, 51223024), (16, 41618707), (23, 28952144), (26, 25611512), (46, 14476072), (52, 12805756), (92, 7238036), (104, 6402878), (109, 6109168), (184, 3619018), (208, 3201439), (218, 3054584), (299, 2227088), (368, 1809509), (436, 1527292), (598, 1113544), (872, 763646), (1196, 556772), (1277, 521456), (1417, 469936), (1744, 381823), (2392, 278386), (2507, 265616), (2554, 260728), (2834, 234968), (4784, 139193), (5014, 132808), (5108, 130364), (5668, 117484), (10028, 66404), (10216, 65182), (11336, 58742), (16601, 40112), (20056, 33202), (20432, 32591), (22672, 29371)]