81470844

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1913}}^1$

素因数の和:1956

約数の個数: 108

約数和(自身を含む): 254990736

約数和(自身を除く): 173519892

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 169, 182, 234, 252, 273, 338, 364, 468, 507, 546, 676, 819, 1014, 1092, 1183, 1521, 1638, 1913, 2028, 2366, 3042, 3276, 3549, 3826, 4732, 5739, 6084, 7098, 7652, 10647, 11478, 13391, 14196, 17217, 21294, 22956, 24869, 26782, 34434, 40173, 42588, 49738, 53564, 68868, 74607, 80346, 99476, 120519, 149214, 160692, 174083, 223821, 241038, 298428, 323297, 348166, 447642, 482076, 522249, 646594, 696332, 895284, 969891, 1044498, 1293188, 1566747, 1939782, 2088996, 2263079, 2909673, 3133494, 3879564, 4526158, 5819346, 6266988, 6789237, 9052316, 11638692, 13578474, 20367711, 27156948, 40735422, 81470844]

約数ペア:

[(1, 81470844), (2, 40735422), (3, 27156948), (4, 20367711), (6, 13578474), (7, 11638692), (9, 9052316), (12, 6789237), (13, 6266988), (14, 5819346), (18, 4526158), (21, 3879564), (26, 3133494), (28, 2909673), (36, 2263079), (39, 2088996), (42, 1939782), (52, 1566747), (63, 1293188), (78, 1044498), (84, 969891), (91, 895284), (117, 696332), (126, 646594), (156, 522249), (169, 482076), (182, 447642), (234, 348166), (252, 323297), (273, 298428), (338, 241038), (364, 223821), (468, 174083), (507, 160692), (546, 149214), (676, 120519), (819, 99476), (1014, 80346), (1092, 74607), (1183, 68868), (1521, 53564), (1638, 49738), (1913, 42588), (2028, 40173), (2366, 34434), (3042, 26782), (3276, 24869), (3549, 22956), (3826, 21294), (4732, 17217), (5739, 14196), (6084, 13391), (7098, 11478), (7652, 10647)]