1247479828

素因数分解:

$2^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{709}}^1$

素因数の和:965

約数の個数: 72

約数和(自身を含む): 2610800640

約数和(自身を除く): 1363320812

約数列:

[1, 2, 4, 7, 14, 28, 47, 49, 94, 98, 188, 191, 196, 329, 382, 658, 709, 764, 1316, 1337, 1418, 2303, 2674, 2836, 4606, 4963, 5348, 8977, 9212, 9359, 9926, 17954, 18718, 19852, 33323, 34741, 35908, 37436, 62839, 66646, 69482, 125678, 133292, 135419, 138964, 233261, 251356, 270838, 439873, 466522, 541676, 879746, 933044, 947933, 1632827, 1759492, 1895866, 3265654, 3791732, 6364693, 6531308, 6635531, 12729386, 13271062, 25458772, 26542124, 44552851, 89105702, 178211404, 311869957, 623739914, 1247479828]

約数ペア:

[(1, 1247479828), (2, 623739914), (4, 311869957), (7, 178211404), (14, 89105702), (28, 44552851), (47, 26542124), (49, 25458772), (94, 13271062), (98, 12729386), (188, 6635531), (191, 6531308), (196, 6364693), (329, 3791732), (382, 3265654), (658, 1895866), (709, 1759492), (764, 1632827), (1316, 947933), (1337, 933044), (1418, 879746), (2303, 541676), (2674, 466522), (2836, 439873), (4606, 270838), (4963, 251356), (5348, 233261), (8977, 138964), (9212, 135419), (9359, 133292), (9926, 125678), (17954, 69482), (18718, 66646), (19852, 62839), (33323, 37436), (34741, 35908)]