248456494

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:385

約数の個数: 64

約数和(自身を含む): 455051520

約数和(自身を除く): 206595026

約数列:

[1, 2, 11, 13, 22, 26, 43, 86, 89, 143, 178, 227, 286, 454, 473, 559, 946, 979, 1118, 1157, 1958, 2314, 2497, 2951, 3827, 4994, 5902, 6149, 7654, 9761, 12298, 12727, 19522, 20203, 25454, 32461, 40406, 42097, 49751, 64922, 84194, 99502, 107371, 126893, 214742, 222233, 253786, 262639, 444466, 525278, 547261, 868729, 1094522, 1395823, 1737458, 2791646, 2889029, 5778058, 9556019, 11293477, 19112038, 22586954, 124228247, 248456494]

約数ペア:

[(1, 248456494), (2, 124228247), (11, 22586954), (13, 19112038), (22, 11293477), (26, 9556019), (43, 5778058), (86, 2889029), (89, 2791646), (143, 1737458), (178, 1395823), (227, 1094522), (286, 868729), (454, 547261), (473, 525278), (559, 444466), (946, 262639), (979, 253786), (1118, 222233), (1157, 214742), (1958, 126893), (2314, 107371), (2497, 99502), (2951, 84194), (3827, 64922), (4994, 49751), (5902, 42097), (6149, 40406), (7654, 32461), (9761, 25454), (12298, 20203), (12727, 19522)]