31517028

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:345

約数の個数: 72

約数和(自身を含む): 82738656

約数和(自身を除く): 51221628

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 123, 131, 163, 164, 246, 262, 326, 369, 393, 489, 492, 524, 652, 738, 786, 978, 1179, 1467, 1476, 1572, 1956, 2358, 2934, 4716, 5371, 5868, 6683, 10742, 13366, 16113, 20049, 21353, 21484, 26732, 32226, 40098, 42706, 48339, 60147, 64059, 64452, 80196, 85412, 96678, 120294, 128118, 192177, 193356, 240588, 256236, 384354, 768708, 875473, 1750946, 2626419, 3501892, 5252838, 7879257, 10505676, 15758514, 31517028]

約数ペア:

[(1, 31517028), (2, 15758514), (3, 10505676), (4, 7879257), (6, 5252838), (9, 3501892), (12, 2626419), (18, 1750946), (36, 875473), (41, 768708), (82, 384354), (123, 256236), (131, 240588), (163, 193356), (164, 192177), (246, 128118), (262, 120294), (326, 96678), (369, 85412), (393, 80196), (489, 64452), (492, 64059), (524, 60147), (652, 48339), (738, 42706), (786, 40098), (978, 32226), (1179, 26732), (1467, 21484), (1476, 21353), (1572, 20049), (1956, 16113), (2358, 13366), (2934, 10742), (4716, 6683), (5371, 5868)]