42641690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{997}}^1$

素因数の和:1071

約数の個数: 64

約数和(自身を含む): 96574464

約数和(自身を除く): 53932774

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 47, 65, 70, 91, 94, 130, 182, 235, 329, 455, 470, 611, 658, 910, 997, 1222, 1645, 1994, 3055, 3290, 4277, 4985, 6110, 6979, 8554, 9970, 12961, 13958, 21385, 25922, 34895, 42770, 46859, 64805, 69790, 90727, 93718, 129610, 181454, 234295, 328013, 453635, 468590, 609167, 656026, 907270, 1218334, 1640065, 3045835, 3280130, 4264169, 6091670, 8528338, 21320845, 42641690]

約数ペア:

[(1, 42641690), (2, 21320845), (5, 8528338), (7, 6091670), (10, 4264169), (13, 3280130), (14, 3045835), (26, 1640065), (35, 1218334), (47, 907270), (65, 656026), (70, 609167), (91, 468590), (94, 453635), (130, 328013), (182, 234295), (235, 181454), (329, 129610), (455, 93718), (470, 90727), (611, 69790), (658, 64805), (910, 46859), (997, 42770), (1222, 34895), (1645, 25922), (1994, 21385), (3055, 13958), (3290, 12961), (4277, 9970), (4985, 8554), (6110, 6979)]