78011804

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 152127360

約数和(自身を除く): 74115556

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 139, 172, 251, 278, 502, 556, 559, 1004, 1118, 1807, 2236, 3263, 3614, 5977, 6526, 7228, 10793, 11954, 13052, 21586, 23908, 34889, 43172, 69778, 77701, 139556, 140309, 155402, 280618, 310804, 453557, 561236, 907114, 1500227, 1814228, 3000454, 6000908, 19502951, 39005902, 78011804]

約数ペア:

[(1, 78011804), (2, 39005902), (4, 19502951), (13, 6000908), (26, 3000454), (43, 1814228), (52, 1500227), (86, 907114), (139, 561236), (172, 453557), (251, 310804), (278, 280618), (502, 155402), (556, 140309), (559, 139556), (1004, 77701), (1118, 69778), (1807, 43172), (2236, 34889), (3263, 23908), (3614, 21586), (5977, 13052), (6526, 11954), (7228, 10793)]