643399204

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{10163}}^1$

素因数の和:10217

約数の個数: 72

約数和(自身を含む): 1459956960

約数和(自身を除く): 816557756

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 49, 68, 76, 98, 119, 133, 196, 238, 266, 323, 476, 532, 646, 833, 931, 1292, 1666, 1862, 2261, 3332, 3724, 4522, 9044, 10163, 15827, 20326, 31654, 40652, 63308, 71141, 142282, 172771, 193097, 284564, 345542, 386194, 497987, 691084, 772388, 995974, 1209397, 1351679, 1991948, 2418794, 2703358, 3282649, 4837588, 5406716, 6565298, 8465779, 9461753, 13130596, 16931558, 18923506, 22978543, 33863116, 37847012, 45957086, 91914172, 160849801, 321699602, 643399204]

約数ペア:

[(1, 643399204), (2, 321699602), (4, 160849801), (7, 91914172), (14, 45957086), (17, 37847012), (19, 33863116), (28, 22978543), (34, 18923506), (38, 16931558), (49, 13130596), (68, 9461753), (76, 8465779), (98, 6565298), (119, 5406716), (133, 4837588), (196, 3282649), (238, 2703358), (266, 2418794), (323, 1991948), (476, 1351679), (532, 1209397), (646, 995974), (833, 772388), (931, 691084), (1292, 497987), (1666, 386194), (1862, 345542), (2261, 284564), (3332, 193097), (3724, 172771), (4522, 142282), (9044, 71141), (10163, 63308), (15827, 40652), (20326, 31654)]