71221932

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{331}}^1$

素因数の和:523

約数の個数: 72

約数和(自身を含む): 186105920

約数和(自身を除く): 114883988

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 139, 172, 258, 278, 331, 387, 417, 516, 556, 662, 774, 834, 993, 1251, 1324, 1548, 1668, 1986, 2502, 2979, 3972, 5004, 5958, 5977, 11916, 11954, 14233, 17931, 23908, 28466, 35862, 42699, 46009, 53793, 56932, 71724, 85398, 92018, 107586, 128097, 138027, 170796, 184036, 215172, 256194, 276054, 414081, 512388, 552108, 828162, 1656324, 1978387, 3956774, 5935161, 7913548, 11870322, 17805483, 23740644, 35610966, 71221932]

約数ペア:

[(1, 71221932), (2, 35610966), (3, 23740644), (4, 17805483), (6, 11870322), (9, 7913548), (12, 5935161), (18, 3956774), (36, 1978387), (43, 1656324), (86, 828162), (129, 552108), (139, 512388), (172, 414081), (258, 276054), (278, 256194), (331, 215172), (387, 184036), (417, 170796), (516, 138027), (556, 128097), (662, 107586), (774, 92018), (834, 85398), (993, 71724), (1251, 56932), (1324, 53793), (1548, 46009), (1668, 42699), (1986, 35862), (2502, 28466), (2979, 23908), (3972, 17931), (5004, 14233), (5958, 11954), (5977, 11916)]