30915558

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:469

約数の個数: 48

約数和(自身を含む): 69307056

約数和(自身を除く): 38391498

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 163, 246, 257, 326, 369, 489, 514, 738, 771, 978, 1467, 1542, 2313, 2934, 4626, 6683, 10537, 13366, 20049, 21074, 31611, 40098, 41891, 60147, 63222, 83782, 94833, 120294, 125673, 189666, 251346, 377019, 754038, 1717531, 3435062, 5152593, 10305186, 15457779, 30915558]

約数ペア:

[(1, 30915558), (2, 15457779), (3, 10305186), (6, 5152593), (9, 3435062), (18, 1717531), (41, 754038), (82, 377019), (123, 251346), (163, 189666), (246, 125673), (257, 120294), (326, 94833), (369, 83782), (489, 63222), (514, 60147), (738, 41891), (771, 40098), (978, 31611), (1467, 21074), (1542, 20049), (2313, 13366), (2934, 10537), (4626, 6683)]