397251816

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:399

約数の個数: 128

約数和(自身を含む): 1103155200

約数和(自身を除く): 705903384

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 71, 78, 79, 104, 142, 156, 158, 213, 227, 237, 284, 312, 316, 426, 454, 474, 568, 632, 681, 852, 908, 923, 948, 1027, 1362, 1704, 1816, 1846, 1896, 2054, 2724, 2769, 2951, 3081, 3692, 4108, 5448, 5538, 5609, 5902, 6162, 7384, 8216, 8853, 11076, 11218, 11804, 12324, 16117, 16827, 17706, 17933, 22152, 22436, 23608, 24648, 32234, 33654, 35412, 35866, 44872, 48351, 53799, 64468, 67308, 70824, 71732, 72917, 96702, 107598, 128936, 134616, 143464, 145834, 193404, 209521, 215196, 218751, 233129, 291668, 386808, 419042, 430392, 437502, 466258, 583336, 628563, 699387, 838084, 875004, 932516, 1257126, 1273243, 1398774, 1676168, 1750008, 1865032, 2514252, 2546486, 2797548, 3819729, 5028504, 5092972, 5595096, 7639458, 10185944, 15278916, 16552159, 30557832, 33104318, 49656477, 66208636, 99312954, 132417272, 198625908, 397251816]

約数ペア:

[(1, 397251816), (2, 198625908), (3, 132417272), (4, 99312954), (6, 66208636), (8, 49656477), (12, 33104318), (13, 30557832), (24, 16552159), (26, 15278916), (39, 10185944), (52, 7639458), (71, 5595096), (78, 5092972), (79, 5028504), (104, 3819729), (142, 2797548), (156, 2546486), (158, 2514252), (213, 1865032), (227, 1750008), (237, 1676168), (284, 1398774), (312, 1273243), (316, 1257126), (426, 932516), (454, 875004), (474, 838084), (568, 699387), (632, 628563), (681, 583336), (852, 466258), (908, 437502), (923, 430392), (948, 419042), (1027, 386808), (1362, 291668), (1704, 233129), (1816, 218751), (1846, 215196), (1896, 209521), (2054, 193404), (2724, 145834), (2769, 143464), (2951, 134616), (3081, 128936), (3692, 107598), (4108, 96702), (5448, 72917), (5538, 71732), (5609, 70824), (5902, 67308), (6162, 64468), (7384, 53799), (8216, 48351), (8853, 44872), (11076, 35866), (11218, 35412), (11804, 33654), (12324, 32234), (16117, 24648), (16827, 23608), (17706, 22436), (17933, 22152)]