1979789968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{7477}}^1$

素因数の和:7584

約数の個数: 80

約数和(自身を含む): 4413814720

約数和(自身を除く): 2434024752

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 67, 76, 104, 134, 152, 208, 247, 268, 304, 494, 536, 871, 988, 1072, 1273, 1742, 1976, 2546, 3484, 3952, 5092, 6968, 7477, 10184, 13936, 14954, 16549, 20368, 29908, 33098, 59816, 66196, 97201, 119632, 132392, 142063, 194402, 264784, 284126, 388804, 500959, 568252, 777608, 1001918, 1136504, 1555216, 1846819, 2003836, 2273008, 3693638, 4007672, 6512467, 7387276, 8015344, 9518221, 13024934, 14774552, 19036442, 26049868, 29549104, 38072884, 52099736, 76145768, 104199472, 123736873, 152291536, 247473746, 494947492, 989894984, 1979789968]

約数ペア:

[(1, 1979789968), (2, 989894984), (4, 494947492), (8, 247473746), (13, 152291536), (16, 123736873), (19, 104199472), (26, 76145768), (38, 52099736), (52, 38072884), (67, 29549104), (76, 26049868), (104, 19036442), (134, 14774552), (152, 13024934), (208, 9518221), (247, 8015344), (268, 7387276), (304, 6512467), (494, 4007672), (536, 3693638), (871, 2273008), (988, 2003836), (1072, 1846819), (1273, 1555216), (1742, 1136504), (1976, 1001918), (2546, 777608), (3484, 568252), (3952, 500959), (5092, 388804), (6968, 284126), (7477, 264784), (10184, 194402), (13936, 142063), (14954, 132392), (16549, 119632), (20368, 97201), (29908, 66196), (33098, 59816)]