381800972

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{3643}}^1$

素因数の和:3870

約数の個数: 48

約数和(自身を含む): 808093440

約数和(自身を除く): 426292468

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 197, 266, 394, 532, 788, 1379, 2758, 3643, 3743, 5516, 7286, 7486, 14572, 14972, 25501, 26201, 51002, 52402, 69217, 102004, 104804, 138434, 276868, 484519, 717671, 969038, 1435342, 1938076, 2870684, 5023697, 10047394, 13635749, 20094788, 27271498, 54542996, 95450243, 190900486, 381800972]

約数ペア:

[(1, 381800972), (2, 190900486), (4, 95450243), (7, 54542996), (14, 27271498), (19, 20094788), (28, 13635749), (38, 10047394), (76, 5023697), (133, 2870684), (197, 1938076), (266, 1435342), (394, 969038), (532, 717671), (788, 484519), (1379, 276868), (2758, 138434), (3643, 104804), (3743, 102004), (5516, 69217), (7286, 52402), (7486, 51002), (14572, 26201), (14972, 25501)]