278215938

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5147}}^1$

素因数の和:5189

約数の個数: 128

約数和(自身を含む): 830269440

約数和(自身を除く): 552053502

約数列:

[1, 2, 3, 6, 7, 9, 11, 13, 14, 18, 21, 22, 26, 27, 33, 39, 42, 54, 63, 66, 77, 78, 91, 99, 117, 126, 143, 154, 182, 189, 198, 231, 234, 273, 286, 297, 351, 378, 429, 462, 546, 594, 693, 702, 819, 858, 1001, 1287, 1386, 1638, 2002, 2079, 2457, 2574, 3003, 3861, 4158, 4914, 5147, 6006, 7722, 9009, 10294, 15441, 18018, 27027, 30882, 36029, 46323, 54054, 56617, 66911, 72058, 92646, 108087, 113234, 133822, 138969, 169851, 200733, 216174, 277938, 324261, 339702, 396319, 401466, 468377, 509553, 602199, 648522, 736021, 792638, 936754, 972783, 1019106, 1188957, 1204398, 1405131, 1472042, 1528659, 1806597, 1945566, 2208063, 2377914, 2810262, 3057318, 3566871, 3613194, 4215393, 4416126, 5152147, 6624189, 7133742, 8430786, 10304294, 10700613, 12646179, 13248378, 15456441, 19872567, 21401226, 25292358, 30912882, 39745134, 46369323, 92738646, 139107969, 278215938]

約数ペア:

[(1, 278215938), (2, 139107969), (3, 92738646), (6, 46369323), (7, 39745134), (9, 30912882), (11, 25292358), (13, 21401226), (14, 19872567), (18, 15456441), (21, 13248378), (22, 12646179), (26, 10700613), (27, 10304294), (33, 8430786), (39, 7133742), (42, 6624189), (54, 5152147), (63, 4416126), (66, 4215393), (77, 3613194), (78, 3566871), (91, 3057318), (99, 2810262), (117, 2377914), (126, 2208063), (143, 1945566), (154, 1806597), (182, 1528659), (189, 1472042), (198, 1405131), (231, 1204398), (234, 1188957), (273, 1019106), (286, 972783), (297, 936754), (351, 792638), (378, 736021), (429, 648522), (462, 602199), (546, 509553), (594, 468377), (693, 401466), (702, 396319), (819, 339702), (858, 324261), (1001, 277938), (1287, 216174), (1386, 200733), (1638, 169851), (2002, 138969), (2079, 133822), (2457, 113234), (2574, 108087), (3003, 92646), (3861, 72058), (4158, 66911), (4914, 56617), (5147, 54054), (6006, 46323), (7722, 36029), (9009, 30882), (10294, 27027), (15441, 18018)]