644885976

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{11597}}^1$

素因数の和:11944

約数の個数: 64

約数和(自身を含む): 1848257280

約数和(自身を除く): 1203371304

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 331, 662, 993, 1324, 1986, 2317, 2648, 3972, 4634, 6951, 7944, 9268, 11597, 13902, 18536, 23194, 27804, 34791, 46388, 55608, 69582, 81179, 92776, 139164, 162358, 243537, 278328, 324716, 487074, 649432, 974148, 1948296, 3838607, 7677214, 11515821, 15354428, 23031642, 26870249, 30708856, 46063284, 53740498, 80610747, 92126568, 107480996, 161221494, 214961992, 322442988, 644885976]

約数ペア:

[(1, 644885976), (2, 322442988), (3, 214961992), (4, 161221494), (6, 107480996), (7, 92126568), (8, 80610747), (12, 53740498), (14, 46063284), (21, 30708856), (24, 26870249), (28, 23031642), (42, 15354428), (56, 11515821), (84, 7677214), (168, 3838607), (331, 1948296), (662, 974148), (993, 649432), (1324, 487074), (1986, 324716), (2317, 278328), (2648, 243537), (3972, 162358), (4634, 139164), (6951, 92776), (7944, 81179), (9268, 69582), (11597, 55608), (13902, 46388), (18536, 34791), (23194, 27804)]