72640688

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{1069}}^1$

素因数の和:1245

約数の個数: 40

約数和(自身を含む): 146478720

約数和(自身を除く): 73838032

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 137, 248, 274, 496, 548, 1069, 1096, 2138, 2192, 4247, 4276, 8494, 8552, 16988, 17104, 33139, 33976, 66278, 67952, 132556, 146453, 265112, 292906, 530224, 585812, 1171624, 2343248, 4540043, 9080086, 18160172, 36320344, 72640688]

約数ペア:

[(1, 72640688), (2, 36320344), (4, 18160172), (8, 9080086), (16, 4540043), (31, 2343248), (62, 1171624), (124, 585812), (137, 530224), (248, 292906), (274, 265112), (496, 146453), (548, 132556), (1069, 67952), (1096, 66278), (2138, 33976), (2192, 33139), (4247, 17104), (4276, 16988), (8494, 8552)]