521008196

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:289

約数の個数: 72

約数和(自身を含む): 1011838464

約数和(自身を除く): 490830268

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 103, 113, 124, 206, 226, 361, 412, 452, 589, 722, 1178, 1444, 1957, 2147, 2356, 3193, 3503, 3914, 4294, 6386, 7006, 7828, 8588, 11191, 11639, 12772, 14012, 22382, 23278, 37183, 40793, 44764, 46556, 60667, 66557, 74366, 81586, 121334, 133114, 148732, 163172, 221141, 242668, 266228, 360809, 442282, 721618, 884564, 1152673, 1264583, 1443236, 2305346, 2529166, 4201679, 4610692, 5058332, 6855371, 8403358, 13710742, 16806716, 27421484, 130252049, 260504098, 521008196]

約数ペア:

[(1, 521008196), (2, 260504098), (4, 130252049), (19, 27421484), (31, 16806716), (38, 13710742), (62, 8403358), (76, 6855371), (103, 5058332), (113, 4610692), (124, 4201679), (206, 2529166), (226, 2305346), (361, 1443236), (412, 1264583), (452, 1152673), (589, 884564), (722, 721618), (1178, 442282), (1444, 360809), (1957, 266228), (2147, 242668), (2356, 221141), (3193, 163172), (3503, 148732), (3914, 133114), (4294, 121334), (6386, 81586), (7006, 74366), (7828, 66557), (8588, 60667), (11191, 46556), (11639, 44764), (12772, 40793), (14012, 37183), (22382, 23278)]