212739904

素因数分解:

$2^6\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:157

約数の個数: 112

約数和(自身を含む): 489661200

約数和(自身を除く): 276921296

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 89, 104, 136, 169, 178, 208, 221, 272, 338, 356, 416, 442, 544, 676, 712, 832, 884, 1088, 1157, 1352, 1424, 1513, 1768, 2197, 2314, 2704, 2848, 2873, 3026, 3536, 4394, 4628, 5408, 5696, 5746, 6052, 7072, 8788, 9256, 10816, 11492, 12104, 14144, 15041, 17576, 18512, 19669, 22984, 24208, 30082, 35152, 37024, 37349, 39338, 45968, 48416, 60164, 70304, 74048, 74698, 78676, 91936, 96832, 120328, 140608, 149396, 157352, 183872, 195533, 240656, 255697, 298792, 314704, 391066, 481312, 511394, 597584, 629408, 782132, 962624, 1022788, 1195168, 1258816, 1564264, 2045576, 2390336, 3128528, 3324061, 4091152, 6257056, 6648122, 8182304, 12514112, 13296244, 16364608, 26592488, 53184976, 106369952, 212739904]

約数ペア:

[(1, 212739904), (2, 106369952), (4, 53184976), (8, 26592488), (13, 16364608), (16, 13296244), (17, 12514112), (26, 8182304), (32, 6648122), (34, 6257056), (52, 4091152), (64, 3324061), (68, 3128528), (89, 2390336), (104, 2045576), (136, 1564264), (169, 1258816), (178, 1195168), (208, 1022788), (221, 962624), (272, 782132), (338, 629408), (356, 597584), (416, 511394), (442, 481312), (544, 391066), (676, 314704), (712, 298792), (832, 255697), (884, 240656), (1088, 195533), (1157, 183872), (1352, 157352), (1424, 149396), (1513, 140608), (1768, 120328), (2197, 96832), (2314, 91936), (2704, 78676), (2848, 74698), (2873, 74048), (3026, 70304), (3536, 60164), (4394, 48416), (4628, 45968), (5408, 39338), (5696, 37349), (5746, 37024), (6052, 35152), (7072, 30082), (8788, 24208), (9256, 22984), (10816, 19669), (11492, 18512), (12104, 17576), (14144, 15041)]