72214972

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 139192480

約数和(自身を除く): 66977508

約数列:

[1, 2, 4, 19, 37, 38, 61, 74, 76, 122, 148, 244, 421, 703, 842, 1159, 1406, 1684, 2257, 2318, 2812, 4514, 4636, 7999, 9028, 15577, 15998, 25681, 31154, 31996, 42883, 51362, 62308, 85766, 102724, 171532, 295963, 487939, 591926, 950197, 975878, 1183852, 1900394, 1951756, 3800788, 18053743, 36107486, 72214972]

約数ペア:

[(1, 72214972), (2, 36107486), (4, 18053743), (19, 3800788), (37, 1951756), (38, 1900394), (61, 1183852), (74, 975878), (76, 950197), (122, 591926), (148, 487939), (244, 295963), (421, 171532), (703, 102724), (842, 85766), (1159, 62308), (1406, 51362), (1684, 42883), (2257, 31996), (2318, 31154), (2812, 25681), (4514, 15998), (4636, 15577), (7999, 9028)]