212107428

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{9643}}^1$

素因数の和:9713

約数の個数: 72

約数和(自身を含む): 589749888

約数和(自身を除く): 377642460

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 47, 52, 78, 94, 117, 141, 156, 188, 234, 282, 423, 468, 564, 611, 846, 1222, 1692, 1833, 2444, 3666, 5499, 7332, 9643, 10998, 19286, 21996, 28929, 38572, 57858, 86787, 115716, 125359, 173574, 250718, 347148, 376077, 453221, 501436, 752154, 906442, 1128231, 1359663, 1504308, 1812884, 2256462, 2719326, 4078989, 4512924, 5438652, 5891873, 8157978, 11783746, 16315956, 17675619, 23567492, 35351238, 53026857, 70702476, 106053714, 212107428]

約数ペア:

[(1, 212107428), (2, 106053714), (3, 70702476), (4, 53026857), (6, 35351238), (9, 23567492), (12, 17675619), (13, 16315956), (18, 11783746), (26, 8157978), (36, 5891873), (39, 5438652), (47, 4512924), (52, 4078989), (78, 2719326), (94, 2256462), (117, 1812884), (141, 1504308), (156, 1359663), (188, 1128231), (234, 906442), (282, 752154), (423, 501436), (468, 453221), (564, 376077), (611, 347148), (846, 250718), (1222, 173574), (1692, 125359), (1833, 115716), (2444, 86787), (3666, 57858), (5499, 38572), (7332, 28929), (9643, 21996), (10998, 19286)]