2891090973875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{3571}}^1\times {\mathrm{4409}}^1$

素因数の和:8121

約数の個数: 64

約数和(自身を含む): 3921999419520

約数和(自身を除く): 1030908445645

約数列:

[1, 5, 13, 25, 65, 113, 125, 325, 565, 1469, 1625, 2825, 3571, 4409, 7345, 14125, 17855, 22045, 36725, 46423, 57317, 89275, 110225, 183625, 232115, 286585, 403523, 446375, 498217, 551125, 1160575, 1432925, 2017615, 2491085, 5245799, 5802875, 6476821, 7164625, 10088075, 12455425, 15744539, 26228995, 32384105, 50440375, 62277125, 78722695, 131144975, 161920525, 204679007, 393613475, 655724875, 809602625, 1023395035, 1779132907, 1968067375, 5116975175, 8895664535, 23128727791, 25584875875, 44478322675, 115643638955, 222391613375, 578218194775, 2891090973875]

約数ペア:

[(1, 2891090973875), (5, 578218194775), (13, 222391613375), (25, 115643638955), (65, 44478322675), (113, 25584875875), (125, 23128727791), (325, 8895664535), (565, 5116975175), (1469, 1968067375), (1625, 1779132907), (2825, 1023395035), (3571, 809602625), (4409, 655724875), (7345, 393613475), (14125, 204679007), (17855, 161920525), (22045, 131144975), (36725, 78722695), (46423, 62277125), (57317, 50440375), (89275, 32384105), (110225, 26228995), (183625, 15744539), (232115, 12455425), (286585, 10088075), (403523, 7164625), (446375, 6476821), (498217, 5802875), (551125, 5245799), (1160575, 2491085), (1432925, 2017615)]