68478628

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 129830400

約数和(自身を除く): 61351772

約数列:

[1, 2, 4, 29, 31, 58, 62, 116, 124, 137, 139, 274, 278, 548, 556, 899, 1798, 3596, 3973, 4031, 4247, 4309, 7946, 8062, 8494, 8618, 15892, 16124, 16988, 17236, 19043, 38086, 76172, 123163, 124961, 246326, 249922, 492652, 499844, 552247, 590333, 1104494, 1180666, 2208988, 2361332, 17119657, 34239314, 68478628]

約数ペア:

[(1, 68478628), (2, 34239314), (4, 17119657), (29, 2361332), (31, 2208988), (58, 1180666), (62, 1104494), (116, 590333), (124, 552247), (137, 499844), (139, 492652), (274, 249922), (278, 246326), (548, 124961), (556, 123163), (899, 76172), (1798, 38086), (3596, 19043), (3973, 17236), (4031, 16988), (4247, 16124), (4309, 15892), (7946, 8618), (8062, 8494)]