28425976

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:268

約数の個数: 64

約数和(自身を含む): 60134400

約数和(自身を除く): 31708424

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 47, 76, 92, 94, 152, 173, 184, 188, 346, 376, 437, 692, 874, 893, 1081, 1384, 1748, 1786, 2162, 3287, 3496, 3572, 3979, 4324, 6574, 7144, 7958, 8131, 8648, 13148, 15916, 16262, 20539, 26296, 31832, 32524, 41078, 65048, 75601, 82156, 151202, 154489, 164312, 187013, 302404, 308978, 374026, 604808, 617956, 748052, 1235912, 1496104, 3553247, 7106494, 14212988, 28425976]

約数ペア:

[(1, 28425976), (2, 14212988), (4, 7106494), (8, 3553247), (19, 1496104), (23, 1235912), (38, 748052), (46, 617956), (47, 604808), (76, 374026), (92, 308978), (94, 302404), (152, 187013), (173, 164312), (184, 154489), (188, 151202), (346, 82156), (376, 75601), (437, 65048), (692, 41078), (874, 32524), (893, 31832), (1081, 26296), (1384, 20539), (1748, 16262), (1786, 15916), (2162, 13148), (3287, 8648), (3496, 8131), (3572, 7958), (3979, 7144), (4324, 6574)]