258804

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:109

約数の個数: 72

約数和(自身を含む): 815360

約数和(自身を除く): 556556

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 79, 84, 91, 117, 126, 156, 158, 182, 234, 237, 252, 273, 316, 364, 468, 474, 546, 553, 711, 819, 948, 1027, 1092, 1106, 1422, 1638, 1659, 2054, 2212, 2844, 3081, 3276, 3318, 4108, 4977, 6162, 6636, 7189, 9243, 9954, 12324, 14378, 18486, 19908, 21567, 28756, 36972, 43134, 64701, 86268, 129402, 258804]

約数ペア:

[(1, 258804), (2, 129402), (3, 86268), (4, 64701), (6, 43134), (7, 36972), (9, 28756), (12, 21567), (13, 19908), (14, 18486), (18, 14378), (21, 12324), (26, 9954), (28, 9243), (36, 7189), (39, 6636), (42, 6162), (52, 4977), (63, 4108), (78, 3318), (79, 3276), (84, 3081), (91, 2844), (117, 2212), (126, 2054), (156, 1659), (158, 1638), (182, 1422), (234, 1106), (237, 1092), (252, 1027), (273, 948), (316, 819), (364, 711), (468, 553), (474, 546)]