389882415

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{449}}^1$

素因数の和:604

約数の個数: 64

約数和(自身を含む): 693705600

約数和(自身を除く): 303823185

約数列:

[1, 3, 5, 13, 15, 39, 61, 65, 73, 183, 195, 219, 305, 365, 449, 793, 915, 949, 1095, 1347, 2245, 2379, 2847, 3965, 4453, 4745, 5837, 6735, 11895, 13359, 14235, 17511, 22265, 27389, 29185, 32777, 57889, 66795, 82167, 87555, 98331, 136945, 163885, 173667, 289445, 356057, 410835, 426101, 491655, 868335, 1068171, 1278303, 1780285, 1999397, 2130505, 5340855, 5998191, 6391515, 9996985, 25992161, 29990955, 77976483, 129960805, 389882415]

約数ペア:

[(1, 389882415), (3, 129960805), (5, 77976483), (13, 29990955), (15, 25992161), (39, 9996985), (61, 6391515), (65, 5998191), (73, 5340855), (183, 2130505), (195, 1999397), (219, 1780285), (305, 1278303), (365, 1068171), (449, 868335), (793, 491655), (915, 426101), (949, 410835), (1095, 356057), (1347, 289445), (2245, 173667), (2379, 163885), (2847, 136945), (3965, 98331), (4453, 87555), (4745, 82167), (5837, 66795), (6735, 57889), (11895, 32777), (13359, 29185), (14235, 27389), (17511, 22265)]