16451890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1$

素因数の和:307

約数の個数: 64

約数和(自身を含む): 37013760

約数和(自身を除く): 20561870

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 101, 130, 179, 182, 202, 358, 455, 505, 707, 895, 910, 1010, 1253, 1313, 1414, 1790, 2327, 2506, 2626, 3535, 4654, 6265, 6565, 7070, 9191, 11635, 12530, 13130, 16289, 18079, 18382, 23270, 32578, 36158, 45955, 81445, 90395, 91910, 126553, 162890, 180790, 235027, 253106, 470054, 632765, 1175135, 1265530, 1645189, 2350270, 3290378, 8225945, 16451890]

約数ペア:

[(1, 16451890), (2, 8225945), (5, 3290378), (7, 2350270), (10, 1645189), (13, 1265530), (14, 1175135), (26, 632765), (35, 470054), (65, 253106), (70, 235027), (91, 180790), (101, 162890), (130, 126553), (179, 91910), (182, 90395), (202, 81445), (358, 45955), (455, 36158), (505, 32578), (707, 23270), (895, 18382), (910, 18079), (1010, 16289), (1253, 13130), (1313, 12530), (1414, 11635), (1790, 9191), (2327, 7070), (2506, 6565), (2626, 6265), (3535, 4654)]