221162018

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1$

素因数の和:383

約数の個数: 64

約数和(自身を含む): 425502720

約数和(自身を除く): 204340702

約数列:

[1, 2, 7, 11, 14, 22, 71, 77, 113, 142, 154, 179, 226, 358, 497, 781, 791, 994, 1243, 1253, 1562, 1582, 1969, 2486, 2506, 3938, 5467, 8023, 8701, 10934, 12709, 13783, 16046, 17402, 20227, 25418, 27566, 40454, 56161, 88253, 88963, 112322, 139799, 141589, 176506, 177926, 222497, 279598, 283178, 444994, 617771, 978593, 1235542, 1436117, 1557479, 1957186, 2872234, 3114958, 10052819, 15797287, 20105638, 31594574, 110581009, 221162018]

約数ペア:

[(1, 221162018), (2, 110581009), (7, 31594574), (11, 20105638), (14, 15797287), (22, 10052819), (71, 3114958), (77, 2872234), (113, 1957186), (142, 1557479), (154, 1436117), (179, 1235542), (226, 978593), (358, 617771), (497, 444994), (781, 283178), (791, 279598), (994, 222497), (1243, 177926), (1253, 176506), (1562, 141589), (1582, 139799), (1969, 112322), (2486, 88963), (2506, 88253), (3938, 56161), (5467, 40454), (8023, 27566), (8701, 25418), (10934, 20227), (12709, 17402), (13783, 16046)]