28447458

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:299

約数の個数: 64

約数和(自身を含む): 64979712

約数和(自身を除く): 36532254

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 101, 138, 157, 202, 299, 303, 314, 471, 598, 606, 897, 942, 1313, 1794, 2041, 2323, 2626, 3611, 3939, 4082, 4646, 6123, 6969, 7222, 7878, 10833, 12246, 13938, 15857, 21666, 30199, 31714, 46943, 47571, 60398, 90597, 93886, 95142, 140829, 181194, 206141, 281658, 364711, 412282, 618423, 729422, 1094133, 1236846, 2188266, 4741243, 9482486, 14223729, 28447458]

約数ペア:

[(1, 28447458), (2, 14223729), (3, 9482486), (6, 4741243), (13, 2188266), (23, 1236846), (26, 1094133), (39, 729422), (46, 618423), (69, 412282), (78, 364711), (101, 281658), (138, 206141), (157, 181194), (202, 140829), (299, 95142), (303, 93886), (314, 90597), (471, 60398), (598, 47571), (606, 46943), (897, 31714), (942, 30199), (1313, 21666), (1794, 15857), (2041, 13938), (2323, 12246), (2626, 10833), (3611, 7878), (3939, 7222), (4082, 6969), (4646, 6123)]