247903775

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3623}}^1$

素因数の和:3680

約数の個数: 48

約数和(自身を含む): 388260864

約数和(自身を除く): 140357089

約数列:

[1, 5, 7, 17, 23, 25, 35, 85, 115, 119, 161, 175, 391, 425, 575, 595, 805, 1955, 2737, 2975, 3623, 4025, 9775, 13685, 18115, 25361, 61591, 68425, 83329, 90575, 126805, 307955, 416645, 431137, 583303, 634025, 1416593, 1539775, 2083225, 2155685, 2916515, 7082965, 9916151, 10778425, 14582575, 35414825, 49580755, 247903775]

約数ペア:

[(1, 247903775), (5, 49580755), (7, 35414825), (17, 14582575), (23, 10778425), (25, 9916151), (35, 7082965), (85, 2916515), (115, 2155685), (119, 2083225), (161, 1539775), (175, 1416593), (391, 634025), (425, 583303), (575, 431137), (595, 416645), (805, 307955), (1955, 126805), (2737, 90575), (2975, 83329), (3623, 68425), (4025, 61591), (9775, 25361), (13685, 18115)]