156799984

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1070

約数の個数: 80

約数和(自身を含む): 354263040

約数和(自身を除く): 197463056

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 31, 44, 58, 62, 88, 116, 124, 176, 232, 248, 319, 341, 464, 496, 638, 682, 899, 991, 1276, 1364, 1798, 1982, 2552, 2728, 3596, 3964, 5104, 5456, 7192, 7928, 9889, 10901, 14384, 15856, 19778, 21802, 28739, 30721, 39556, 43604, 57478, 61442, 79112, 87208, 114956, 122884, 158224, 174416, 229912, 245768, 316129, 337931, 459824, 491536, 632258, 675862, 890909, 1264516, 1351724, 1781818, 2529032, 2703448, 3563636, 5058064, 5406896, 7127272, 9799999, 14254544, 19599998, 39199996, 78399992, 156799984]

約数ペア:

[(1, 156799984), (2, 78399992), (4, 39199996), (8, 19599998), (11, 14254544), (16, 9799999), (22, 7127272), (29, 5406896), (31, 5058064), (44, 3563636), (58, 2703448), (62, 2529032), (88, 1781818), (116, 1351724), (124, 1264516), (176, 890909), (232, 675862), (248, 632258), (319, 491536), (341, 459824), (464, 337931), (496, 316129), (638, 245768), (682, 229912), (899, 174416), (991, 158224), (1276, 122884), (1364, 114956), (1798, 87208), (1982, 79112), (2552, 61442), (2728, 57478), (3596, 43604), (3964, 39556), (5104, 30721), (5456, 28739), (7192, 21802), (7928, 19778), (9889, 15856), (10901, 14384)]