858787657

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^2$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 1149966720

約数和(自身を除く): 291179063

約数列:

[1, 7, 13, 17, 59, 91, 97, 119, 221, 413, 679, 767, 1003, 1261, 1547, 1649, 5369, 5723, 7021, 8827, 9409, 11543, 13039, 21437, 40061, 65863, 74399, 91273, 97291, 122317, 150059, 159953, 520793, 555131, 681037, 856219, 1119671, 1264783, 2079389, 3885917, 7216703, 8853481, 9437227, 14555723, 50516921, 66060589, 122683951, 858787657]

約数ペア:

[(1, 858787657), (7, 122683951), (13, 66060589), (17, 50516921), (59, 14555723), (91, 9437227), (97, 8853481), (119, 7216703), (221, 3885917), (413, 2079389), (679, 1264783), (767, 1119671), (1003, 856219), (1261, 681037), (1547, 555131), (1649, 520793), (5369, 159953), (5723, 150059), (7021, 122317), (8827, 97291), (9409, 91273), (11543, 74399), (13039, 65863), (21437, 40061)]