644303776

素因数分解:

$2^5\times {\mathrm{79}}^1\times {\mathrm{281}}^1\times {\mathrm{907}}^1$

素因数の和:1277

約数の個数: 48

約数和(自身を含む): 1290522240

約数和(自身を除く): 646218464

約数列:

[1, 2, 4, 8, 16, 32, 79, 158, 281, 316, 562, 632, 907, 1124, 1264, 1814, 2248, 2528, 3628, 4496, 7256, 8992, 14512, 22199, 29024, 44398, 71653, 88796, 143306, 177592, 254867, 286612, 355184, 509734, 573224, 710368, 1019468, 1146448, 2038936, 2292896, 4077872, 8155744, 20134493, 40268986, 80537972, 161075944, 322151888, 644303776]

約数ペア:

[(1, 644303776), (2, 322151888), (4, 161075944), (8, 80537972), (16, 40268986), (32, 20134493), (79, 8155744), (158, 4077872), (281, 2292896), (316, 2038936), (562, 1146448), (632, 1019468), (907, 710368), (1124, 573224), (1264, 509734), (1814, 355184), (2248, 286612), (2528, 254867), (3628, 177592), (4496, 143306), (7256, 88796), (8992, 71653), (14512, 44398), (22199, 29024)]