31213532

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 64296960

約数和(自身を除く): 33083428

約数列:

[1, 2, 4, 7, 14, 28, 79, 103, 137, 158, 206, 274, 316, 412, 548, 553, 721, 959, 1106, 1442, 1918, 2212, 2884, 3836, 8137, 10823, 14111, 16274, 21646, 28222, 32548, 43292, 56444, 56959, 75761, 98777, 113918, 151522, 197554, 227836, 303044, 395108, 1114769, 2229538, 4459076, 7803383, 15606766, 31213532]

約数ペア:

[(1, 31213532), (2, 15606766), (4, 7803383), (7, 4459076), (14, 2229538), (28, 1114769), (79, 395108), (103, 303044), (137, 227836), (158, 197554), (206, 151522), (274, 113918), (316, 98777), (412, 75761), (548, 56959), (553, 56444), (721, 43292), (959, 32548), (1106, 28222), (1442, 21646), (1918, 16274), (2212, 14111), (2884, 10823), (3836, 8137)]