321980764

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{86461}}^1$

素因数の和:86498

約数の個数: 36

約数和(自身を含む): 689966760

約数和(自身を除く): 367985996

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 86461, 172922, 345844, 605227, 1210454, 1642759, 2420908, 3285518, 4236589, 6571036, 8473178, 11499313, 16946356, 22998626, 45997252, 80495191, 160990382, 321980764]

約数ペア:

[(1, 321980764), (2, 160990382), (4, 80495191), (7, 45997252), (14, 22998626), (19, 16946356), (28, 11499313), (38, 8473178), (49, 6571036), (76, 4236589), (98, 3285518), (133, 2420908), (196, 1642759), (266, 1210454), (532, 605227), (931, 345844), (1862, 172922), (3724, 86461)]