1388412648

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{393541}}^1$

素因数の和:393567

約数の個数: 72

約数和(自身を含む): 4374219330

約数和(自身を除く): 2985806682

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 392, 441, 504, 588, 882, 1176, 1764, 3528, 393541, 787082, 1180623, 1574164, 2361246, 2754787, 3148328, 3541869, 4722492, 5509574, 7083738, 8264361, 9444984, 11019148, 14167476, 16528722, 19283509, 22038296, 24793083, 28334952, 33057444, 38567018, 49586166, 57850527, 66114888, 77134036, 99172332, 115701054, 154268072, 173551581, 198344664, 231402108, 347103162, 462804216, 694206324, 1388412648]

約数ペア:

[(1, 1388412648), (2, 694206324), (3, 462804216), (4, 347103162), (6, 231402108), (7, 198344664), (8, 173551581), (9, 154268072), (12, 115701054), (14, 99172332), (18, 77134036), (21, 66114888), (24, 57850527), (28, 49586166), (36, 38567018), (42, 33057444), (49, 28334952), (56, 24793083), (63, 22038296), (72, 19283509), (84, 16528722), (98, 14167476), (126, 11019148), (147, 9444984), (168, 8264361), (196, 7083738), (252, 5509574), (294, 4722492), (392, 3541869), (441, 3148328), (504, 2754787), (588, 2361246), (882, 1574164), (1176, 1180623), (1764, 787082), (3528, 393541)]