331335875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 471744000

約数和(自身を除く): 140408125

約数列:

[1, 5, 13, 25, 29, 65, 79, 89, 125, 145, 325, 377, 395, 445, 725, 1027, 1157, 1625, 1885, 1975, 2225, 2291, 2581, 3625, 5135, 5785, 7031, 9425, 9875, 11125, 11455, 12905, 25675, 28925, 29783, 33553, 35155, 47125, 57275, 64525, 91403, 128375, 144625, 148915, 167765, 175775, 203899, 286375, 322625, 457015, 744575, 838825, 878875, 1019495, 2285075, 2650687, 3722875, 4194125, 5097475, 11425375, 13253435, 25487375, 66267175, 331335875]

約数ペア:

[(1, 331335875), (5, 66267175), (13, 25487375), (25, 13253435), (29, 11425375), (65, 5097475), (79, 4194125), (89, 3722875), (125, 2650687), (145, 2285075), (325, 1019495), (377, 878875), (395, 838825), (445, 744575), (725, 457015), (1027, 322625), (1157, 286375), (1625, 203899), (1885, 175775), (1975, 167765), (2225, 148915), (2291, 144625), (2581, 128375), (3625, 91403), (5135, 64525), (5785, 57275), (7031, 47125), (9425, 35155), (9875, 33553), (11125, 29783), (11455, 28925), (12905, 25675)]