1398231688

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{18731}}^1$

素因数の和:18818

約数の個数: 64

約数和(自身を含む): 3164958720

約数和(自身を除く): 1766727032

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 43, 56, 62, 86, 124, 172, 217, 248, 301, 344, 434, 602, 868, 1204, 1333, 1736, 2408, 2666, 5332, 9331, 10664, 18662, 18731, 37324, 37462, 74648, 74924, 131117, 149848, 262234, 524468, 580661, 805433, 1048936, 1161322, 1610866, 2322644, 3221732, 4064627, 4645288, 5638031, 6443464, 8129254, 11276062, 16258508, 22552124, 24968423, 32517016, 45104248, 49936846, 99873692, 174778961, 199747384, 349557922, 699115844, 1398231688]

約数ペア:

[(1, 1398231688), (2, 699115844), (4, 349557922), (7, 199747384), (8, 174778961), (14, 99873692), (28, 49936846), (31, 45104248), (43, 32517016), (56, 24968423), (62, 22552124), (86, 16258508), (124, 11276062), (172, 8129254), (217, 6443464), (248, 5638031), (301, 4645288), (344, 4064627), (434, 3221732), (602, 2322644), (868, 1610866), (1204, 1161322), (1333, 1048936), (1736, 805433), (2408, 580661), (2666, 524468), (5332, 262234), (9331, 149848), (10664, 131117), (18662, 74924), (18731, 74648), (37324, 37462)]