638631552

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127931}}^1$

素因数の和:127961

約数の個数: 64

約数和(自身を含む): 1826868960

約数和(自身を除く): 1188237408

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 312, 384, 416, 624, 832, 1248, 1664, 2496, 4992, 127931, 255862, 383793, 511724, 767586, 1023448, 1535172, 1663103, 2046896, 3070344, 3326206, 4093792, 4989309, 6140688, 6652412, 8187584, 9978618, 12281376, 13304824, 16375168, 19957236, 24562752, 26609648, 39914472, 49125504, 53219296, 79828944, 106438592, 159657888, 212877184, 319315776, 638631552]

約数ペア:

[(1, 638631552), (2, 319315776), (3, 212877184), (4, 159657888), (6, 106438592), (8, 79828944), (12, 53219296), (13, 49125504), (16, 39914472), (24, 26609648), (26, 24562752), (32, 19957236), (39, 16375168), (48, 13304824), (52, 12281376), (64, 9978618), (78, 8187584), (96, 6652412), (104, 6140688), (128, 4989309), (156, 4093792), (192, 3326206), (208, 3070344), (312, 2046896), (384, 1663103), (416, 1535172), (624, 1023448), (832, 767586), (1248, 511724), (1664, 383793), (2496, 255862), (4992, 127931)]