15649172

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:213

約数の個数: 72

約数和(自身を含む): 35750400

約数和(自身を除く): 20101228

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 62, 77, 121, 124, 149, 154, 217, 242, 298, 308, 341, 434, 484, 596, 682, 847, 868, 1043, 1364, 1639, 1694, 2086, 2387, 3278, 3388, 3751, 4172, 4619, 4774, 6556, 7502, 9238, 9548, 11473, 15004, 18029, 18476, 22946, 26257, 32333, 36058, 45892, 50809, 52514, 64666, 72116, 101618, 105028, 126203, 129332, 203236, 252406, 355663, 504812, 558899, 711326, 1117798, 1422652, 2235596, 3912293, 7824586, 15649172]

約数ペア:

[(1, 15649172), (2, 7824586), (4, 3912293), (7, 2235596), (11, 1422652), (14, 1117798), (22, 711326), (28, 558899), (31, 504812), (44, 355663), (62, 252406), (77, 203236), (121, 129332), (124, 126203), (149, 105028), (154, 101618), (217, 72116), (242, 64666), (298, 52514), (308, 50809), (341, 45892), (434, 36058), (484, 32333), (596, 26257), (682, 22946), (847, 18476), (868, 18029), (1043, 15004), (1364, 11473), (1639, 9548), (1694, 9238), (2086, 7502), (2387, 6556), (3278, 4774), (3388, 4619), (3751, 4172)]