28919216

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{379}}^1$

素因数の和:657

約数の個数: 40

約数和(自身を含む): 59371200

約数和(自身を除く): 30451984

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 251, 304, 379, 502, 758, 1004, 1516, 2008, 3032, 4016, 4769, 6064, 7201, 9538, 14402, 19076, 28804, 38152, 57608, 76304, 95129, 115216, 190258, 380516, 761032, 1522064, 1807451, 3614902, 7229804, 14459608, 28919216]

約数ペア:

[(1, 28919216), (2, 14459608), (4, 7229804), (8, 3614902), (16, 1807451), (19, 1522064), (38, 761032), (76, 380516), (152, 190258), (251, 115216), (304, 95129), (379, 76304), (502, 57608), (758, 38152), (1004, 28804), (1516, 19076), (2008, 14402), (3032, 9538), (4016, 7201), (4769, 6064)]