81356772

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:401

約数の個数: 96

約数和(自身を含む): 226508800

約数和(自身を除く): 145152028

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 84, 93, 124, 157, 186, 199, 217, 314, 372, 398, 434, 471, 597, 628, 651, 796, 868, 942, 1099, 1194, 1302, 1393, 1884, 2198, 2388, 2604, 2786, 3297, 4179, 4396, 4867, 5572, 6169, 6594, 8358, 9734, 12338, 13188, 14601, 16716, 18507, 19468, 24676, 29202, 31243, 34069, 37014, 43183, 58404, 62486, 68138, 74028, 86366, 93729, 102207, 124972, 129549, 136276, 172732, 187458, 204414, 218701, 259098, 374916, 408828, 437402, 518196, 656103, 874804, 968533, 1312206, 1937066, 2624412, 2905599, 3874132, 5811198, 6779731, 11622396, 13559462, 20339193, 27118924, 40678386, 81356772]

約数ペア:

[(1, 81356772), (2, 40678386), (3, 27118924), (4, 20339193), (6, 13559462), (7, 11622396), (12, 6779731), (14, 5811198), (21, 3874132), (28, 2905599), (31, 2624412), (42, 1937066), (62, 1312206), (84, 968533), (93, 874804), (124, 656103), (157, 518196), (186, 437402), (199, 408828), (217, 374916), (314, 259098), (372, 218701), (398, 204414), (434, 187458), (471, 172732), (597, 136276), (628, 129549), (651, 124972), (796, 102207), (868, 93729), (942, 86366), (1099, 74028), (1194, 68138), (1302, 62486), (1393, 58404), (1884, 43183), (2198, 37014), (2388, 34069), (2604, 31243), (2786, 29202), (3297, 24676), (4179, 19468), (4396, 18507), (4867, 16716), (5572, 14601), (6169, 13188), (6594, 12338), (8358, 9734)]