189622972

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{97}}^1\times {\mathrm{577}}^1$

素因数の和:707

約数の個数: 72

約数和(自身を含む): 421884512

約数和(自身を除く): 232261540

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 97, 121, 154, 194, 242, 308, 388, 484, 577, 679, 847, 1067, 1154, 1358, 1694, 2134, 2308, 2716, 3388, 4039, 4268, 6347, 7469, 8078, 11737, 12694, 14938, 16156, 23474, 25388, 29876, 44429, 46948, 55969, 69817, 82159, 88858, 111938, 139634, 164318, 177716, 223876, 279268, 328636, 391783, 488719, 615659, 783566, 977438, 1231318, 1567132, 1954876, 2462636, 4309613, 6772249, 8619226, 13544498, 17238452, 27088996, 47405743, 94811486, 189622972]

約数ペア:

[(1, 189622972), (2, 94811486), (4, 47405743), (7, 27088996), (11, 17238452), (14, 13544498), (22, 8619226), (28, 6772249), (44, 4309613), (77, 2462636), (97, 1954876), (121, 1567132), (154, 1231318), (194, 977438), (242, 783566), (308, 615659), (388, 488719), (484, 391783), (577, 328636), (679, 279268), (847, 223876), (1067, 177716), (1154, 164318), (1358, 139634), (1694, 111938), (2134, 88858), (2308, 82159), (2716, 69817), (3388, 55969), (4039, 46948), (4268, 44429), (6347, 29876), (7469, 25388), (8078, 23474), (11737, 16156), (12694, 14938)]