86861908

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:365

約数の個数: 72

約数和(自身を含む): 189604800

約数和(自身を除く): 102742892

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 119, 131, 196, 199, 238, 262, 398, 476, 524, 796, 833, 917, 1393, 1666, 1834, 2227, 2786, 3332, 3383, 3668, 4454, 5572, 6419, 6766, 8908, 9751, 12838, 13532, 15589, 19502, 23681, 25676, 26069, 31178, 39004, 47362, 52138, 62356, 94724, 104276, 109123, 165767, 182483, 218246, 331534, 364966, 436492, 443173, 663068, 729932, 886346, 1277381, 1772692, 2554762, 3102211, 5109524, 6204422, 12408844, 21715477, 43430954, 86861908]

約数ペア:

[(1, 86861908), (2, 43430954), (4, 21715477), (7, 12408844), (14, 6204422), (17, 5109524), (28, 3102211), (34, 2554762), (49, 1772692), (68, 1277381), (98, 886346), (119, 729932), (131, 663068), (196, 443173), (199, 436492), (238, 364966), (262, 331534), (398, 218246), (476, 182483), (524, 165767), (796, 109123), (833, 104276), (917, 94724), (1393, 62356), (1666, 52138), (1834, 47362), (2227, 39004), (2786, 31178), (3332, 26069), (3383, 25676), (3668, 23681), (4454, 19502), (5572, 15589), (6419, 13532), (6766, 12838), (8908, 9751)]