628565925

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{101}}^1\times {\mathrm{491}}^1$

素因数の和:631

約数の個数: 72

約数和(自身を含む): 1138775328

約数和(自身を除く): 510209403

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 101, 169, 195, 303, 325, 491, 505, 507, 845, 975, 1313, 1473, 1515, 2455, 2525, 2535, 3939, 4225, 6383, 6565, 7365, 7575, 12275, 12675, 17069, 19149, 19695, 31915, 32825, 36825, 49591, 51207, 82979, 85345, 95745, 98475, 148773, 159575, 247955, 248937, 256035, 414895, 426725, 478725, 644683, 743865, 1239775, 1244685, 1280175, 1934049, 2074475, 3223415, 3719325, 6223425, 8380879, 9670245, 16117075, 25142637, 41904395, 48351225, 125713185, 209521975, 628565925]

約数ペア:

[(1, 628565925), (3, 209521975), (5, 125713185), (13, 48351225), (15, 41904395), (25, 25142637), (39, 16117075), (65, 9670245), (75, 8380879), (101, 6223425), (169, 3719325), (195, 3223415), (303, 2074475), (325, 1934049), (491, 1280175), (505, 1244685), (507, 1239775), (845, 743865), (975, 644683), (1313, 478725), (1473, 426725), (1515, 414895), (2455, 256035), (2525, 248937), (2535, 247955), (3939, 159575), (4225, 148773), (6383, 98475), (6565, 95745), (7365, 85345), (7575, 82979), (12275, 51207), (12675, 49591), (17069, 36825), (19149, 32825), (19695, 31915)]