209558512

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{409}}^1\times {\mathrm{1033}}^1$

素因数の和:1481

約数の個数: 40

約数和(自身を含む): 420548480

約数和(自身を除く): 210989968

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 409, 496, 818, 1033, 1636, 2066, 3272, 4132, 6544, 8264, 12679, 16528, 25358, 32023, 50716, 64046, 101432, 128092, 202864, 256184, 422497, 512368, 844994, 1689988, 3379976, 6759952, 13097407, 26194814, 52389628, 104779256, 209558512]

約数ペア:

[(1, 209558512), (2, 104779256), (4, 52389628), (8, 26194814), (16, 13097407), (31, 6759952), (62, 3379976), (124, 1689988), (248, 844994), (409, 512368), (496, 422497), (818, 256184), (1033, 202864), (1636, 128092), (2066, 101432), (3272, 64046), (4132, 50716), (6544, 32023), (8264, 25358), (12679, 16528)]