819691388

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1\times {\mathrm{1657}}^1$

素因数の和:1986

約数の個数: 48

約数和(自身を含む): 1582129920

約数和(自身を除く): 762438532

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 283, 437, 566, 874, 1132, 1657, 1748, 3314, 5377, 6509, 6628, 10754, 13018, 21508, 26036, 31483, 38111, 62966, 76222, 123671, 125932, 152444, 247342, 468931, 494684, 724109, 937862, 1448218, 1875724, 2896436, 8909689, 10785413, 17819378, 21570826, 35638756, 43141652, 204922847, 409845694, 819691388]

約数ペア:

[(1, 819691388), (2, 409845694), (4, 204922847), (19, 43141652), (23, 35638756), (38, 21570826), (46, 17819378), (76, 10785413), (92, 8909689), (283, 2896436), (437, 1875724), (566, 1448218), (874, 937862), (1132, 724109), (1657, 494684), (1748, 468931), (3314, 247342), (5377, 152444), (6509, 125932), (6628, 123671), (10754, 76222), (13018, 62966), (21508, 38111), (26036, 31483)]