87309788

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{509}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 168218400

約数和(自身を除く): 80908612

約数列:

[1, 2, 4, 19, 37, 38, 61, 74, 76, 122, 148, 244, 509, 703, 1018, 1159, 1406, 2036, 2257, 2318, 2812, 4514, 4636, 9028, 9671, 18833, 19342, 31049, 37666, 38684, 42883, 62098, 75332, 85766, 124196, 171532, 357827, 589931, 715654, 1148813, 1179862, 1431308, 2297626, 2359724, 4595252, 21827447, 43654894, 87309788]

約数ペア:

[(1, 87309788), (2, 43654894), (4, 21827447), (19, 4595252), (37, 2359724), (38, 2297626), (61, 1431308), (74, 1179862), (76, 1148813), (122, 715654), (148, 589931), (244, 357827), (509, 171532), (703, 124196), (1018, 85766), (1159, 75332), (1406, 62098), (2036, 42883), (2257, 38684), (2318, 37666), (2812, 31049), (4514, 19342), (4636, 18833), (9028, 9671)]