247336375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 368903808

約数和(自身を除く): 121567433

約数列:

[1, 5, 11, 13, 25, 55, 65, 101, 125, 137, 143, 275, 325, 505, 685, 715, 1111, 1313, 1375, 1507, 1625, 1781, 2525, 3425, 3575, 5555, 6565, 7535, 8905, 12625, 13837, 14443, 17125, 17875, 19591, 27775, 32825, 37675, 44525, 69185, 72215, 97955, 138875, 152207, 164125, 179881, 188375, 222625, 345925, 361075, 489775, 761035, 899405, 1729625, 1805375, 1978691, 2448875, 3805175, 4497025, 9893455, 19025875, 22485125, 49467275, 247336375]

約数ペア:

[(1, 247336375), (5, 49467275), (11, 22485125), (13, 19025875), (25, 9893455), (55, 4497025), (65, 3805175), (101, 2448875), (125, 1978691), (137, 1805375), (143, 1729625), (275, 899405), (325, 761035), (505, 489775), (685, 361075), (715, 345925), (1111, 222625), (1313, 188375), (1375, 179881), (1507, 164125), (1625, 152207), (1781, 138875), (2525, 97955), (3425, 72215), (3575, 69185), (5555, 44525), (6565, 37675), (7535, 32825), (8905, 27775), (12625, 19591), (13837, 17875), (14443, 17125)]