2678886

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{373}}^1$

素因数の和:410

約数の個数: 64

約数和(自身を含む): 7180800

約数和(自身を除く): 4501914

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 54, 57, 63, 114, 126, 133, 171, 189, 266, 342, 373, 378, 399, 513, 746, 798, 1026, 1119, 1197, 2238, 2394, 2611, 3357, 3591, 5222, 6714, 7087, 7182, 7833, 10071, 14174, 15666, 20142, 21261, 23499, 42522, 46998, 49609, 63783, 70497, 99218, 127566, 140994, 148827, 191349, 297654, 382698, 446481, 892962, 1339443, 2678886]

約数ペア:

[(1, 2678886), (2, 1339443), (3, 892962), (6, 446481), (7, 382698), (9, 297654), (14, 191349), (18, 148827), (19, 140994), (21, 127566), (27, 99218), (38, 70497), (42, 63783), (54, 49609), (57, 46998), (63, 42522), (114, 23499), (126, 21261), (133, 20142), (171, 15666), (189, 14174), (266, 10071), (342, 7833), (373, 7182), (378, 7087), (399, 6714), (513, 5222), (746, 3591), (798, 3357), (1026, 2611), (1119, 2394), (1197, 2238)]