16631964

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:307

約数の個数: 72

約数和(自身を含む): 44226000

約数和(自身を除く): 27594036

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 89, 116, 174, 178, 179, 261, 267, 348, 356, 358, 522, 534, 537, 716, 801, 1044, 1068, 1074, 1602, 1611, 2148, 2581, 3204, 3222, 5162, 5191, 6444, 7743, 10324, 10382, 15486, 15573, 15931, 20764, 23229, 30972, 31146, 31862, 46458, 46719, 47793, 62292, 63724, 92916, 93438, 95586, 143379, 186876, 191172, 286758, 461999, 573516, 923998, 1385997, 1847996, 2771994, 4157991, 5543988, 8315982, 16631964]

約数ペア:

[(1, 16631964), (2, 8315982), (3, 5543988), (4, 4157991), (6, 2771994), (9, 1847996), (12, 1385997), (18, 923998), (29, 573516), (36, 461999), (58, 286758), (87, 191172), (89, 186876), (116, 143379), (174, 95586), (178, 93438), (179, 92916), (261, 63724), (267, 62292), (348, 47793), (356, 46719), (358, 46458), (522, 31862), (534, 31146), (537, 30972), (716, 23229), (801, 20764), (1044, 15931), (1068, 15573), (1074, 15486), (1602, 10382), (1611, 10324), (2148, 7743), (2581, 6444), (3204, 5191), (3222, 5162)]