42978145

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 65007360

約数和(自身を除く): 22029215

約数列:

[1, 5, 7, 23, 29, 35, 49, 115, 145, 161, 203, 245, 263, 667, 805, 1015, 1127, 1315, 1421, 1841, 3335, 4669, 5635, 6049, 7105, 7627, 9205, 12887, 23345, 30245, 32683, 38135, 42343, 53389, 64435, 163415, 175421, 211715, 266945, 296401, 373723, 877105, 1227947, 1482005, 1868615, 6139735, 8595629, 42978145]

約数ペア:

[(1, 42978145), (5, 8595629), (7, 6139735), (23, 1868615), (29, 1482005), (35, 1227947), (49, 877105), (115, 373723), (145, 296401), (161, 266945), (203, 211715), (245, 175421), (263, 163415), (667, 64435), (805, 53389), (1015, 42343), (1127, 38135), (1315, 32683), (1421, 30245), (1841, 23345), (3335, 12887), (4669, 9205), (5635, 7627), (6049, 7105)]