28945322

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 57127680

約数和(自身を除く): 28182358

約数列:

[1, 2, 7, 14, 17, 19, 34, 37, 38, 74, 119, 133, 173, 238, 259, 266, 323, 346, 518, 629, 646, 703, 1211, 1258, 1406, 2261, 2422, 2941, 3287, 4403, 4522, 4921, 5882, 6401, 6574, 8806, 9842, 11951, 12802, 20587, 23009, 23902, 41174, 44807, 46018, 55879, 83657, 89614, 108817, 111758, 121619, 167314, 217634, 243238, 391153, 761719, 782306, 851333, 1523438, 1702666, 2067523, 4135046, 14472661, 28945322]

約数ペア:

[(1, 28945322), (2, 14472661), (7, 4135046), (14, 2067523), (17, 1702666), (19, 1523438), (34, 851333), (37, 782306), (38, 761719), (74, 391153), (119, 243238), (133, 217634), (173, 167314), (238, 121619), (259, 111758), (266, 108817), (323, 89614), (346, 83657), (518, 55879), (629, 46018), (646, 44807), (703, 41174), (1211, 23902), (1258, 23009), (1406, 20587), (2261, 12802), (2422, 11951), (2941, 9842), (3287, 8806), (4403, 6574), (4522, 6401), (4921, 5882)]