28673172

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1187}}^1$

素因数の和:1269

約数の個数: 72

約数和(自身を含む): 80432352

約数和(自身を除く): 51759180

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 61, 66, 99, 122, 132, 183, 198, 244, 366, 396, 549, 671, 732, 1098, 1187, 1342, 2013, 2196, 2374, 2684, 3561, 4026, 4748, 6039, 7122, 8052, 10683, 12078, 13057, 14244, 21366, 24156, 26114, 39171, 42732, 52228, 72407, 78342, 117513, 144814, 156684, 217221, 235026, 289628, 434442, 470052, 651663, 796477, 868884, 1303326, 1592954, 2389431, 2606652, 3185908, 4778862, 7168293, 9557724, 14336586, 28673172]

約数ペア:

[(1, 28673172), (2, 14336586), (3, 9557724), (4, 7168293), (6, 4778862), (9, 3185908), (11, 2606652), (12, 2389431), (18, 1592954), (22, 1303326), (33, 868884), (36, 796477), (44, 651663), (61, 470052), (66, 434442), (99, 289628), (122, 235026), (132, 217221), (183, 156684), (198, 144814), (244, 117513), (366, 78342), (396, 72407), (549, 52228), (671, 42732), (732, 39171), (1098, 26114), (1187, 24156), (1342, 21366), (2013, 14244), (2196, 13057), (2374, 12078), (2684, 10683), (3561, 8052), (4026, 7122), (4748, 6039)]