128221424

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:406

約数の個数: 60

約数和(自身を含む): 266456160

約数和(自身を除く): 138234736

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 79, 152, 158, 281, 304, 316, 361, 562, 632, 722, 1124, 1264, 1444, 1501, 2248, 2888, 3002, 4496, 5339, 5776, 6004, 10678, 12008, 21356, 22199, 24016, 28519, 42712, 44398, 57038, 85424, 88796, 101441, 114076, 177592, 202882, 228152, 355184, 405764, 421781, 456304, 811528, 843562, 1623056, 1687124, 3374248, 6748496, 8013839, 16027678, 32055356, 64110712, 128221424]

約数ペア:

[(1, 128221424), (2, 64110712), (4, 32055356), (8, 16027678), (16, 8013839), (19, 6748496), (38, 3374248), (76, 1687124), (79, 1623056), (152, 843562), (158, 811528), (281, 456304), (304, 421781), (316, 405764), (361, 355184), (562, 228152), (632, 202882), (722, 177592), (1124, 114076), (1264, 101441), (1444, 88796), (1501, 85424), (2248, 57038), (2888, 44398), (3002, 42712), (4496, 28519), (5339, 24016), (5776, 22199), (6004, 21356), (10678, 12008)]