697221434

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{647}}^1$

素因数の和:891

約数の個数: 64

約数和(自身を含む): 1337720832

約数和(自身を除く): 640499398

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 191, 217, 382, 403, 434, 647, 806, 1294, 1337, 2483, 2674, 2821, 4529, 4966, 5642, 5921, 8411, 9058, 11842, 16822, 17381, 20057, 34762, 40114, 41447, 58877, 76973, 82894, 117754, 123577, 140399, 153946, 247154, 260741, 280798, 521482, 538811, 865039, 1077622, 1606501, 1730078, 1825187, 3213002, 3650374, 3830887, 7661774, 11245507, 22491014, 26816209, 49801531, 53632418, 99603062, 348610717, 697221434]

約数ペア:

[(1, 697221434), (2, 348610717), (7, 99603062), (13, 53632418), (14, 49801531), (26, 26816209), (31, 22491014), (62, 11245507), (91, 7661774), (182, 3830887), (191, 3650374), (217, 3213002), (382, 1825187), (403, 1730078), (434, 1606501), (647, 1077622), (806, 865039), (1294, 538811), (1337, 521482), (2483, 280798), (2674, 260741), (2821, 247154), (4529, 153946), (4966, 140399), (5642, 123577), (5921, 117754), (8411, 82894), (9058, 76973), (11842, 58877), (16822, 41447), (17381, 40114), (20057, 34762)]