217831968

素因数分解:

$2^5\times 3^2\times {\mathrm{271}}^1\times {\mathrm{2791}}^1$

素因数の和:3078

約数の個数: 72

約数和(自身を含む): 621968256

約数和(自身を除く): 404136288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 271, 288, 542, 813, 1084, 1626, 2168, 2439, 2791, 3252, 4336, 4878, 5582, 6504, 8373, 8672, 9756, 11164, 13008, 16746, 19512, 22328, 25119, 26016, 33492, 39024, 44656, 50238, 66984, 78048, 89312, 100476, 133968, 200952, 267936, 401904, 756361, 803808, 1512722, 2269083, 3025444, 4538166, 6050888, 6807249, 9076332, 12101776, 13614498, 18152664, 24203552, 27228996, 36305328, 54457992, 72610656, 108915984, 217831968]

約数ペア:

[(1, 217831968), (2, 108915984), (3, 72610656), (4, 54457992), (6, 36305328), (8, 27228996), (9, 24203552), (12, 18152664), (16, 13614498), (18, 12101776), (24, 9076332), (32, 6807249), (36, 6050888), (48, 4538166), (72, 3025444), (96, 2269083), (144, 1512722), (271, 803808), (288, 756361), (542, 401904), (813, 267936), (1084, 200952), (1626, 133968), (2168, 100476), (2439, 89312), (2791, 78048), (3252, 66984), (4336, 50238), (4878, 44656), (5582, 39024), (6504, 33492), (8373, 26016), (8672, 25119), (9756, 22328), (11164, 19512), (13008, 16746)]