209005004

素因数分解:

$2^2\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{1399}}^1$

素因数の和:1459

約数の個数: 48

約数和(自身を含む): 419832000

約数和(自身を除く): 210826996

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 169, 221, 338, 442, 676, 884, 1399, 2197, 2798, 2873, 4394, 5596, 5746, 8788, 11492, 18187, 23783, 36374, 37349, 47566, 72748, 74698, 95132, 149396, 236431, 309179, 472862, 618358, 945724, 1236716, 3073603, 4019327, 6147206, 8038654, 12294412, 16077308, 52251251, 104502502, 209005004]

約数ペア:

[(1, 209005004), (2, 104502502), (4, 52251251), (13, 16077308), (17, 12294412), (26, 8038654), (34, 6147206), (52, 4019327), (68, 3073603), (169, 1236716), (221, 945724), (338, 618358), (442, 472862), (676, 309179), (884, 236431), (1399, 149396), (2197, 95132), (2798, 74698), (2873, 72748), (4394, 47566), (5596, 37349), (5746, 36374), (8788, 23783), (11492, 18187)]