637231390

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:433

約数の個数: 64

約数和(自身を含む): 1210318848

約数和(自身を除く): 573087458

約数列:

[1, 2, 5, 10, 37, 71, 74, 127, 142, 185, 191, 254, 355, 370, 382, 635, 710, 955, 1270, 1910, 2627, 4699, 5254, 7067, 9017, 9398, 13135, 13561, 14134, 18034, 23495, 24257, 26270, 27122, 35335, 45085, 46990, 48514, 67805, 70670, 90170, 121285, 135610, 242570, 333629, 501757, 667258, 897509, 1003514, 1668145, 1722247, 1795018, 2508785, 3336290, 3444494, 4487545, 5017570, 8611235, 8975090, 17222470, 63723139, 127446278, 318615695, 637231390]

約数ペア:

[(1, 637231390), (2, 318615695), (5, 127446278), (10, 63723139), (37, 17222470), (71, 8975090), (74, 8611235), (127, 5017570), (142, 4487545), (185, 3444494), (191, 3336290), (254, 2508785), (355, 1795018), (370, 1722247), (382, 1668145), (635, 1003514), (710, 897509), (955, 667258), (1270, 501757), (1910, 333629), (2627, 242570), (4699, 135610), (5254, 121285), (7067, 90170), (9017, 70670), (9398, 67805), (13135, 48514), (13561, 46990), (14134, 45085), (18034, 35335), (23495, 27122), (24257, 26270)]