145898984

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{991}}^1$

素因数の和:1254

約数の個数: 64

約数和(自身を含む): 342835200

約数和(自身を除く): 196936216

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 239, 308, 478, 616, 956, 991, 1673, 1912, 1982, 2629, 3346, 3964, 5258, 6692, 6937, 7928, 10516, 10901, 13384, 13874, 18403, 21032, 21802, 27748, 36806, 43604, 55496, 73612, 76307, 87208, 147224, 152614, 236849, 305228, 473698, 610456, 947396, 1657943, 1894792, 2605339, 3315886, 5210678, 6631772, 10421356, 13263544, 18237373, 20842712, 36474746, 72949492, 145898984]

約数ペア:

[(1, 145898984), (2, 72949492), (4, 36474746), (7, 20842712), (8, 18237373), (11, 13263544), (14, 10421356), (22, 6631772), (28, 5210678), (44, 3315886), (56, 2605339), (77, 1894792), (88, 1657943), (154, 947396), (239, 610456), (308, 473698), (478, 305228), (616, 236849), (956, 152614), (991, 147224), (1673, 87208), (1912, 76307), (1982, 73612), (2629, 55496), (3346, 43604), (3964, 36806), (5258, 27748), (6692, 21802), (6937, 21032), (7928, 18403), (10516, 13874), (10901, 13384)]