278797428

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{85103}}^1$

素因数の和:85133

約数の個数: 72

約数和(自身を含む): 867379968

約数和(自身を除く): 588582540

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, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 85103, 170206, 255309, 340412, 510618, 595721, 765927, 1021236, 1106339, 1191442, 1531854, 1787163, 2212678, 2382884, 3063708, 3319017, 3574326, 4425356, 5361489, 6638034, 7148652, 7744373, 9957051, 10722978, 13276068, 15488746, 19914102, 21445956, 23233119, 30977492, 39828204, 46466238, 69699357, 92932476, 139398714, 278797428]

約数ペア:

[(1, 278797428), (2, 139398714), (3, 92932476), (4, 69699357), (6, 46466238), (7, 39828204), (9, 30977492), (12, 23233119), (13, 21445956), (14, 19914102), (18, 15488746), (21, 13276068), (26, 10722978), (28, 9957051), (36, 7744373), (39, 7148652), (42, 6638034), (52, 5361489), (63, 4425356), (78, 3574326), (84, 3319017), (91, 3063708), (117, 2382884), (126, 2212678), (156, 1787163), (182, 1531854), (234, 1191442), (252, 1106339), (273, 1021236), (364, 765927), (468, 595721), (546, 510618), (819, 340412), (1092, 255309), (1638, 170206), (3276, 85103)]