643156475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{619}}^1$

素因数の和:804

約数の個数: 48

約数和(自身を含む): 904108800

約数和(自身を除く): 260952325

約数列:

[1, 5, 13, 23, 25, 65, 115, 139, 299, 325, 575, 619, 695, 1495, 1807, 3095, 3197, 3475, 7475, 8047, 9035, 14237, 15475, 15985, 40235, 41561, 45175, 71185, 79925, 86041, 185081, 201175, 207805, 355925, 430205, 925405, 1039025, 1118533, 1978943, 2151025, 4627025, 5592665, 9894715, 25726259, 27963325, 49473575, 128631295, 643156475]

約数ペア:

[(1, 643156475), (5, 128631295), (13, 49473575), (23, 27963325), (25, 25726259), (65, 9894715), (115, 5592665), (139, 4627025), (299, 2151025), (325, 1978943), (575, 1118533), (619, 1039025), (695, 925405), (1495, 430205), (1807, 355925), (3095, 207805), (3197, 201175), (3475, 185081), (7475, 86041), (8047, 79925), (9035, 71185), (14237, 45175), (15475, 41561), (15985, 40235)]