64413255

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 114742656

約数和(自身を除く): 50329401

約数列:

[1, 3, 5, 15, 17, 41, 51, 61, 85, 101, 123, 183, 205, 255, 303, 305, 505, 615, 697, 915, 1037, 1515, 1717, 2091, 2501, 3111, 3485, 4141, 5151, 5185, 6161, 7503, 8585, 10455, 12423, 12505, 15555, 18483, 20705, 25755, 30805, 37515, 42517, 62115, 70397, 92415, 104737, 127551, 211191, 212585, 252601, 314211, 351985, 523685, 637755, 757803, 1055955, 1263005, 1571055, 3789015, 4294217, 12882651, 21471085, 64413255]

約数ペア:

[(1, 64413255), (3, 21471085), (5, 12882651), (15, 4294217), (17, 3789015), (41, 1571055), (51, 1263005), (61, 1055955), (85, 757803), (101, 637755), (123, 523685), (183, 351985), (205, 314211), (255, 252601), (303, 212585), (305, 211191), (505, 127551), (615, 104737), (697, 92415), (915, 70397), (1037, 62115), (1515, 42517), (1717, 37515), (2091, 30805), (2501, 25755), (3111, 20705), (3485, 18483), (4141, 15555), (5151, 12505), (5185, 12423), (6161, 10455), (7503, 8585)]