207918425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3061}}^1$

素因数の和:3114

約数の個数: 48

約数和(自身を含む): 318937920

約数和(自身を除く): 111019495

約数列:

[1, 5, 11, 13, 19, 25, 55, 65, 95, 143, 209, 247, 275, 325, 475, 715, 1045, 1235, 2717, 3061, 3575, 5225, 6175, 13585, 15305, 33671, 39793, 58159, 67925, 76525, 168355, 198965, 290795, 437723, 639749, 756067, 841775, 994825, 1453975, 2188615, 3198745, 3780335, 8316737, 10943075, 15993725, 18901675, 41583685, 207918425]

約数ペア:

[(1, 207918425), (5, 41583685), (11, 18901675), (13, 15993725), (19, 10943075), (25, 8316737), (55, 3780335), (65, 3198745), (95, 2188615), (143, 1453975), (209, 994825), (247, 841775), (275, 756067), (325, 639749), (475, 437723), (715, 290795), (1045, 198965), (1235, 168355), (2717, 76525), (3061, 67925), (3575, 58159), (5225, 39793), (6175, 33671), (13585, 15305)]