638480484

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^2\times {\mathrm{73}}^1\times {\mathrm{673}}^1$

素因数の和:794

約数の個数: 108

約数和(自身を含む): 1729250796

約数和(自身を除く): 1090770312

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 73, 76, 114, 146, 171, 219, 228, 292, 342, 361, 438, 657, 673, 684, 722, 876, 1083, 1314, 1346, 1387, 1444, 2019, 2166, 2628, 2692, 2774, 3249, 4038, 4161, 4332, 5548, 6057, 6498, 8076, 8322, 12114, 12483, 12787, 12996, 16644, 24228, 24966, 25574, 26353, 38361, 49129, 49932, 51148, 52706, 76722, 79059, 98258, 105412, 115083, 147387, 153444, 158118, 196516, 230166, 237177, 242953, 294774, 316236, 442161, 460332, 474354, 485906, 589548, 728859, 884322, 933451, 948708, 971812, 1457718, 1768644, 1866902, 2186577, 2800353, 2915436, 3733804, 4373154, 5600706, 8401059, 8746308, 11201412, 16802118, 17735569, 33604236, 35471138, 53206707, 70942276, 106413414, 159620121, 212826828, 319240242, 638480484]

約数ペア:

[(1, 638480484), (2, 319240242), (3, 212826828), (4, 159620121), (6, 106413414), (9, 70942276), (12, 53206707), (18, 35471138), (19, 33604236), (36, 17735569), (38, 16802118), (57, 11201412), (73, 8746308), (76, 8401059), (114, 5600706), (146, 4373154), (171, 3733804), (219, 2915436), (228, 2800353), (292, 2186577), (342, 1866902), (361, 1768644), (438, 1457718), (657, 971812), (673, 948708), (684, 933451), (722, 884322), (876, 728859), (1083, 589548), (1314, 485906), (1346, 474354), (1387, 460332), (1444, 442161), (2019, 316236), (2166, 294774), (2628, 242953), (2692, 237177), (2774, 230166), (3249, 196516), (4038, 158118), (4161, 153444), (4332, 147387), (5548, 115083), (6057, 105412), (6498, 98258), (8076, 79059), (8322, 76722), (12114, 52706), (12483, 51148), (12787, 49932), (12996, 49129), (16644, 38361), (24228, 26353), (24966, 25574)]