257237504

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{853}}^1$

素因数の和:921

約数の個数: 80

約数和(自身を含む): 559130880

約数和(自身を除く): 301893376

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 128, 152, 248, 256, 304, 496, 512, 589, 608, 853, 992, 1178, 1216, 1706, 1984, 2356, 2432, 3412, 3968, 4712, 4864, 6824, 7936, 9424, 9728, 13648, 15872, 16207, 18848, 26443, 27296, 32414, 37696, 52886, 54592, 64828, 75392, 105772, 109184, 129656, 150784, 211544, 218368, 259312, 301568, 423088, 436736, 502417, 518624, 846176, 1004834, 1037248, 1692352, 2009668, 2074496, 3384704, 4019336, 4148992, 6769408, 8038672, 8297984, 13538816, 16077344, 32154688, 64309376, 128618752, 257237504]

約数ペア:

[(1, 257237504), (2, 128618752), (4, 64309376), (8, 32154688), (16, 16077344), (19, 13538816), (31, 8297984), (32, 8038672), (38, 6769408), (62, 4148992), (64, 4019336), (76, 3384704), (124, 2074496), (128, 2009668), (152, 1692352), (248, 1037248), (256, 1004834), (304, 846176), (496, 518624), (512, 502417), (589, 436736), (608, 423088), (853, 301568), (992, 259312), (1178, 218368), (1216, 211544), (1706, 150784), (1984, 129656), (2356, 109184), (2432, 105772), (3412, 75392), (3968, 64828), (4712, 54592), (4864, 52886), (6824, 37696), (7936, 32414), (9424, 27296), (9728, 26443), (13648, 18848), (15872, 16207)]