78245356

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1021}}^1$

素因数の和:1079

約数の個数: 72

約数和(自身を含む): 176160096

約数和(自身を除く): 97914740

約数列:

[1, 2, 4, 7, 14, 17, 23, 28, 34, 46, 49, 68, 92, 98, 119, 161, 196, 238, 322, 391, 476, 644, 782, 833, 1021, 1127, 1564, 1666, 2042, 2254, 2737, 3332, 4084, 4508, 5474, 7147, 10948, 14294, 17357, 19159, 23483, 28588, 34714, 38318, 46966, 50029, 69428, 76636, 93932, 100058, 121499, 164381, 200116, 242998, 328762, 399211, 485996, 657524, 798422, 850493, 1150667, 1596844, 1700986, 2301334, 2794477, 3401972, 4602668, 5588954, 11177908, 19561339, 39122678, 78245356]

約数ペア:

[(1, 78245356), (2, 39122678), (4, 19561339), (7, 11177908), (14, 5588954), (17, 4602668), (23, 3401972), (28, 2794477), (34, 2301334), (46, 1700986), (49, 1596844), (68, 1150667), (92, 850493), (98, 798422), (119, 657524), (161, 485996), (196, 399211), (238, 328762), (322, 242998), (391, 200116), (476, 164381), (644, 121499), (782, 100058), (833, 93932), (1021, 76636), (1127, 69428), (1564, 50029), (1666, 46966), (2042, 38318), (2254, 34714), (2737, 28588), (3332, 23483), (4084, 19159), (4508, 17357), (5474, 14294), (7147, 10948)]