1640986438

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{2963}}^1$

素因数の和:3181

約数の個数: 64

約数和(自身を含む): 3226728960

約数和(自身を除く): 1585742522

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 91, 119, 179, 182, 221, 238, 358, 442, 1253, 1547, 2327, 2506, 2963, 3043, 3094, 4654, 5926, 6086, 16289, 20741, 21301, 32578, 38519, 39559, 41482, 42602, 50371, 77038, 79118, 100742, 269633, 276913, 352597, 530377, 539266, 553826, 654823, 705194, 1060754, 1309646, 3712639, 4583761, 6894901, 7425278, 9016409, 9167522, 13789802, 18032818, 48264307, 63114863, 96528614, 117213317, 126229726, 234426634, 820493219, 1640986438]

約数ペア:

[(1, 1640986438), (2, 820493219), (7, 234426634), (13, 126229726), (14, 117213317), (17, 96528614), (26, 63114863), (34, 48264307), (91, 18032818), (119, 13789802), (179, 9167522), (182, 9016409), (221, 7425278), (238, 6894901), (358, 4583761), (442, 3712639), (1253, 1309646), (1547, 1060754), (2327, 705194), (2506, 654823), (2963, 553826), (3043, 539266), (3094, 530377), (4654, 352597), (5926, 276913), (6086, 269633), (16289, 100742), (20741, 79118), (21301, 77038), (32578, 50371), (38519, 42602), (39559, 41482)]