31220224

素因数分解:

$2^9\times 7^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:337

約数の個数: 80

約数和(自身を含む): 73852416

約数和(自身を除く): 42632192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 281, 434, 448, 496, 512, 562, 868, 896, 992, 1124, 1736, 1792, 1967, 1984, 2248, 3472, 3584, 3934, 3968, 4496, 6944, 7868, 7936, 8711, 8992, 13888, 15736, 15872, 17422, 17984, 27776, 31472, 34844, 35968, 55552, 60977, 62944, 69688, 71936, 111104, 121954, 125888, 139376, 143872, 243908, 251776, 278752, 487816, 503552, 557504, 975632, 1007104, 1115008, 1951264, 2230016, 3902528, 4460032, 7805056, 15610112, 31220224]

約数ペア:

[(1, 31220224), (2, 15610112), (4, 7805056), (7, 4460032), (8, 3902528), (14, 2230016), (16, 1951264), (28, 1115008), (31, 1007104), (32, 975632), (56, 557504), (62, 503552), (64, 487816), (112, 278752), (124, 251776), (128, 243908), (217, 143872), (224, 139376), (248, 125888), (256, 121954), (281, 111104), (434, 71936), (448, 69688), (496, 62944), (512, 60977), (562, 55552), (868, 35968), (896, 34844), (992, 31472), (1124, 27776), (1736, 17984), (1792, 17422), (1967, 15872), (1984, 15736), (2248, 13888), (3472, 8992), (3584, 8711), (3934, 7936), (3968, 7868), (4496, 6944)]