30931278

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{467}}^1$

素因数の和:581

約数の個数: 64

約数和(自身を含む): 75479040

約数和(自身を除く): 44547762

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 83, 114, 133, 166, 249, 266, 399, 467, 498, 581, 798, 934, 1162, 1401, 1577, 1743, 2802, 3154, 3269, 3486, 4731, 6538, 8873, 9462, 9807, 11039, 17746, 19614, 22078, 26619, 33117, 38761, 53238, 62111, 66234, 77522, 116283, 124222, 186333, 232566, 271327, 372666, 542654, 736459, 813981, 1472918, 1627962, 2209377, 4418754, 5155213, 10310426, 15465639, 30931278]

約数ペア:

[(1, 30931278), (2, 15465639), (3, 10310426), (6, 5155213), (7, 4418754), (14, 2209377), (19, 1627962), (21, 1472918), (38, 813981), (42, 736459), (57, 542654), (83, 372666), (114, 271327), (133, 232566), (166, 186333), (249, 124222), (266, 116283), (399, 77522), (467, 66234), (498, 62111), (581, 53238), (798, 38761), (934, 33117), (1162, 26619), (1401, 22078), (1577, 19614), (1743, 17746), (2802, 11039), (3154, 9807), (3269, 9462), (3486, 8873), (4731, 6538)]