219509964

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{5261}}^1$

素因数の和:5351

約数の個数: 72

約数和(自身を含む): 593764080

約数和(自身を除く): 374254116

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 61, 76, 114, 122, 171, 183, 228, 244, 342, 366, 549, 684, 732, 1098, 1159, 2196, 2318, 3477, 4636, 5261, 6954, 10431, 10522, 13908, 15783, 20862, 21044, 31566, 41724, 47349, 63132, 94698, 99959, 189396, 199918, 299877, 320921, 399836, 599754, 641842, 899631, 962763, 1199508, 1283684, 1799262, 1925526, 2888289, 3598524, 3851052, 5776578, 6097499, 11553156, 12194998, 18292497, 24389996, 36584994, 54877491, 73169988, 109754982, 219509964]

約数ペア:

[(1, 219509964), (2, 109754982), (3, 73169988), (4, 54877491), (6, 36584994), (9, 24389996), (12, 18292497), (18, 12194998), (19, 11553156), (36, 6097499), (38, 5776578), (57, 3851052), (61, 3598524), (76, 2888289), (114, 1925526), (122, 1799262), (171, 1283684), (183, 1199508), (228, 962763), (244, 899631), (342, 641842), (366, 599754), (549, 399836), (684, 320921), (732, 299877), (1098, 199918), (1159, 189396), (2196, 99959), (2318, 94698), (3477, 63132), (4636, 47349), (5261, 41724), (6954, 31566), (10431, 21044), (10522, 20862), (13908, 15783)]