161619996

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{2657}}^1$

素因数の和:2838

約数の個数: 48

約数和(自身を含む): 390279456

約数和(自身を除く): 228659460

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 137, 148, 222, 274, 411, 444, 548, 822, 1644, 2657, 5069, 5314, 7971, 10138, 10628, 15207, 15942, 20276, 30414, 31884, 60828, 98309, 196618, 294927, 364009, 393236, 589854, 728018, 1092027, 1179708, 1456036, 2184054, 4368108, 13468333, 26936666, 40404999, 53873332, 80809998, 161619996]

約数ペア:

[(1, 161619996), (2, 80809998), (3, 53873332), (4, 40404999), (6, 26936666), (12, 13468333), (37, 4368108), (74, 2184054), (111, 1456036), (137, 1179708), (148, 1092027), (222, 728018), (274, 589854), (411, 393236), (444, 364009), (548, 294927), (822, 196618), (1644, 98309), (2657, 60828), (5069, 31884), (5314, 30414), (7971, 20276), (10138, 15942), (10628, 15207)]