31212804

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{487}}^1$

素因数の和:617

約数の個数: 72

約数和(自身を含む): 85673280

約数和(自身を除く): 54460476

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 109, 147, 196, 218, 294, 327, 436, 487, 588, 654, 763, 974, 1308, 1461, 1526, 1948, 2289, 2922, 3052, 3409, 4578, 5341, 5844, 6818, 9156, 10227, 10682, 13636, 16023, 20454, 21364, 23863, 32046, 40908, 47726, 53083, 64092, 71589, 95452, 106166, 143178, 159249, 212332, 286356, 318498, 371581, 636996, 743162, 1114743, 1486324, 2229486, 2601067, 4458972, 5202134, 7803201, 10404268, 15606402, 31212804]

約数ペア:

[(1, 31212804), (2, 15606402), (3, 10404268), (4, 7803201), (6, 5202134), (7, 4458972), (12, 2601067), (14, 2229486), (21, 1486324), (28, 1114743), (42, 743162), (49, 636996), (84, 371581), (98, 318498), (109, 286356), (147, 212332), (196, 159249), (218, 143178), (294, 106166), (327, 95452), (436, 71589), (487, 64092), (588, 53083), (654, 47726), (763, 40908), (974, 32046), (1308, 23863), (1461, 21364), (1526, 20454), (1948, 16023), (2289, 13636), (2922, 10682), (3052, 10227), (3409, 9156), (4578, 6818), (5341, 5844)]