1387666064

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{74831}}^1$

素因数の和:74919

約数の個数: 40

約数和(自身を含む): 2876542080

約数和(自身を除く): 1488876016

約数列:

[1, 2, 4, 8, 16, 19, 38, 61, 76, 122, 152, 244, 304, 488, 976, 1159, 2318, 4636, 9272, 18544, 74831, 149662, 299324, 598648, 1197296, 1421789, 2843578, 4564691, 5687156, 9129382, 11374312, 18258764, 22748624, 36517528, 73035056, 86729129, 173458258, 346916516, 693833032, 1387666064]

約数ペア:

[(1, 1387666064), (2, 693833032), (4, 346916516), (8, 173458258), (16, 86729129), (19, 73035056), (38, 36517528), (61, 22748624), (76, 18258764), (122, 11374312), (152, 9129382), (244, 5687156), (304, 4564691), (488, 2843578), (976, 1421789), (1159, 1197296), (2318, 598648), (4636, 299324), (9272, 149662), (18544, 74831)]