1280821052954

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1\times {\mathrm{20249}}^1$

素因数の和:20735

約数の個数: 64

約数和(自身を含む): 2086398000000

約数和(自身を除く): 805576947046

約数列:

[1, 2, 19, 38, 59, 89, 118, 178, 317, 634, 1121, 1691, 2242, 3382, 5251, 6023, 10502, 12046, 18703, 20249, 28213, 37406, 40498, 56426, 99769, 199538, 355357, 384731, 536047, 710714, 769462, 1072094, 1194691, 1664567, 1802161, 2389382, 3329134, 3604322, 6418933, 12837866, 22699129, 31626773, 34241059, 45398258, 63253546, 68482118, 106327499, 121959727, 212654998, 243919454, 378717047, 571285037, 757434094, 1142570074, 2020222481, 4040444962, 7195623893, 10854415703, 14391247786, 21708831406, 33705817183, 67411634366, 640410526477, 1280821052954]

約数ペア:

[(1, 1280821052954), (2, 640410526477), (19, 67411634366), (38, 33705817183), (59, 21708831406), (89, 14391247786), (118, 10854415703), (178, 7195623893), (317, 4040444962), (634, 2020222481), (1121, 1142570074), (1691, 757434094), (2242, 571285037), (3382, 378717047), (5251, 243919454), (6023, 212654998), (10502, 121959727), (12046, 106327499), (18703, 68482118), (20249, 63253546), (28213, 45398258), (37406, 34241059), (40498, 31626773), (56426, 22699129), (99769, 12837866), (199538, 6418933), (355357, 3604322), (384731, 3329134), (536047, 2389382), (710714, 1802161), (769462, 1664567), (1072094, 1194691)]