128979396

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{39371}}^1$

素因数の和:39401

約数の個数: 72

約数和(自身を含む): 401279424

約数和(自身を除く): 272300028

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 39371, 78742, 118113, 157484, 236226, 275597, 354339, 472452, 511823, 551194, 708678, 826791, 1023646, 1102388, 1417356, 1535469, 1653582, 2047292, 2480373, 3070938, 3307164, 3582761, 4606407, 4960746, 6141876, 7165522, 9212814, 9921492, 10748283, 14331044, 18425628, 21496566, 32244849, 42993132, 64489698, 128979396]

約数ペア:

[(1, 128979396), (2, 64489698), (3, 42993132), (4, 32244849), (6, 21496566), (7, 18425628), (9, 14331044), (12, 10748283), (13, 9921492), (14, 9212814), (18, 7165522), (21, 6141876), (26, 4960746), (28, 4606407), (36, 3582761), (39, 3307164), (42, 3070938), (52, 2480373), (63, 2047292), (78, 1653582), (84, 1535469), (91, 1417356), (117, 1102388), (126, 1023646), (156, 826791), (182, 708678), (234, 551194), (252, 511823), (273, 472452), (364, 354339), (468, 275597), (546, 236226), (819, 157484), (1092, 118113), (1638, 78742), (3276, 39371)]