161980742

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{401}}^1$

素因数の和:525

約数の個数: 64

約数和(自身を含む): 315836928

約数和(自身を除く): 153856186

約数列:

[1, 2, 7, 11, 14, 22, 43, 61, 77, 86, 122, 154, 301, 401, 427, 473, 602, 671, 802, 854, 946, 1342, 2623, 2807, 3311, 4411, 4697, 5246, 5614, 6622, 8822, 9394, 17243, 18361, 24461, 28853, 30877, 34486, 36722, 48922, 57706, 61754, 120701, 171227, 189673, 201971, 241402, 269071, 342454, 379346, 403942, 538142, 1051823, 1327711, 1883497, 2103646, 2655422, 3766994, 7362761, 11570053, 14725522, 23140106, 80990371, 161980742]

約数ペア:

[(1, 161980742), (2, 80990371), (7, 23140106), (11, 14725522), (14, 11570053), (22, 7362761), (43, 3766994), (61, 2655422), (77, 2103646), (86, 1883497), (122, 1327711), (154, 1051823), (301, 538142), (401, 403942), (427, 379346), (473, 342454), (602, 269071), (671, 241402), (802, 201971), (854, 189673), (946, 171227), (1342, 120701), (2623, 61754), (2807, 57706), (3311, 48922), (4411, 36722), (4697, 34486), (5246, 30877), (5614, 28853), (6622, 24461), (8822, 18361), (9394, 17243)]