289293704

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{773}}^1$

素因数の和:990

約数の個数: 64

約数和(自身を含む): 639757440

約数和(自身を除く): 350463736

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 163, 164, 287, 326, 328, 574, 652, 773, 1141, 1148, 1304, 1546, 2282, 2296, 3092, 4564, 5411, 6184, 6683, 9128, 10822, 13366, 21644, 26732, 31693, 43288, 46781, 53464, 63386, 93562, 125999, 126772, 187124, 221851, 251998, 253544, 374248, 443702, 503996, 881993, 887404, 1007992, 1763986, 1774808, 3527972, 5165959, 7055944, 10331918, 20663836, 36161713, 41327672, 72323426, 144646852, 289293704]

約数ペア:

[(1, 289293704), (2, 144646852), (4, 72323426), (7, 41327672), (8, 36161713), (14, 20663836), (28, 10331918), (41, 7055944), (56, 5165959), (82, 3527972), (163, 1774808), (164, 1763986), (287, 1007992), (326, 887404), (328, 881993), (574, 503996), (652, 443702), (773, 374248), (1141, 253544), (1148, 251998), (1304, 221851), (1546, 187124), (2282, 126772), (2296, 125999), (3092, 93562), (4564, 63386), (5411, 53464), (6184, 46781), (6683, 43288), (9128, 31693), (10822, 26732), (13366, 21644)]